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Finding the Fourth Proportional to 446,047.74, 615,555.05 and 252,455.45

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Solution

The fourth proportional to 446,047.74, 615,555.05 and 252,455.45 is: 348,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,047.74 : 615,555.05 = 252,455.45 : x
  2. Step 2: Convert to fraction form
    446,047.74/615,555.05 = 252,455.45/x
  3. Step 3: Cross multiply
    446,047.74x = 615,555.05 × 252,455.45
  4. Step 4: Simplify right side
    446,047.74x = 155,400,222,807.47
  5. Step 5: Solve for x
    x = 155,400,222,807.47/446,047.74
  6. Step 6: Final answer
    x = 348,393.70

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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.