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Finding the Fourth Proportional to 743,001, 1,025,332.32 and 403,471.68

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Solution

The fourth proportional to 743,001, 1,025,332.32 and 403,471.68 is: 556,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,001 : 1,025,332.32 = 403,471.68 : x
  2. Step 2: Convert to fraction form
    743,001/1,025,332.32 = 403,471.68/x
  3. Step 3: Cross multiply
    743,001x = 1,025,332.32 × 403,471.68
  4. Step 4: Simplify right side
    743,001x = 413,692,553,708.70
  5. Step 5: Solve for x
    x = 413,692,553,708.70/743,001
  6. Step 6: Final answer
    x = 556,786.00

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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.