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Finding the Fourth Proportional to 446,577.84, 615,661.56 and 356,240.24

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Solution

The fourth proportional to 446,577.84, 615,661.56 and 356,240.24 is: 491,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,577.84 : 615,661.56 = 356,240.24 : x
  2. Step 2: Convert to fraction form
    446,577.84/615,661.56 = 356,240.24/x
  3. Step 3: Cross multiply
    446,577.84x = 615,661.56 × 356,240.24
  4. Step 4: Simplify right side
    446,577.84x = 219,323,421,893.17
  5. Step 5: Solve for x
    x = 219,323,421,893.17/446,577.84
  6. Step 6: Final answer
    x = 491,120.25

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.