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Finding the Fourth Proportional to 707,404, 974,055.60 and 533,227.28

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Solution

The fourth proportional to 707,404, 974,055.60 and 533,227.28 is: 734,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,404 : 974,055.60 = 533,227.28 : x
  2. Step 2: Convert to fraction form
    707,404/974,055.60 = 533,227.28/x
  3. Step 3: Cross multiply
    707,404x = 974,055.60 × 533,227.28
  4. Step 4: Simplify right side
    707,404x = 519,393,018,156.77
  5. Step 5: Solve for x
    x = 519,393,018,156.77/707,404
  6. Step 6: Final answer
    x = 734,224.03

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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.