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Finding the Fourth Proportional to 476,482.74, 657,853.88 and 295,388.20

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Solution

The fourth proportional to 476,482.74, 657,853.88 and 295,388.20 is: 407,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,482.74 : 657,853.88 = 295,388.20 : x
  2. Step 2: Convert to fraction form
    476,482.74/657,853.88 = 295,388.20/x
  3. Step 3: Cross multiply
    476,482.74x = 657,853.88 × 295,388.20
  4. Step 4: Simplify right side
    476,482.74x = 194,322,273,476.22
  5. Step 5: Solve for x
    x = 194,322,273,476.22/476,482.74
  6. Step 6: Final answer
    x = 407,826.47

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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.