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Finding the Fourth Proportional to 707,390.49, 974,036.97 and 533,213.76

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Solution

The fourth proportional to 707,390.49, 974,036.97 and 533,213.76 is: 734,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,390.49 : 974,036.97 = 533,213.76 : x
  2. Step 2: Convert to fraction form
    707,390.49/974,036.97 = 533,213.76/x
  3. Step 3: Cross multiply
    707,390.49x = 974,036.97 × 533,213.76
  4. Step 4: Simplify right side
    707,390.49x = 519,369,915,152.71
  5. Step 5: Solve for x
    x = 519,369,915,152.71/707,390.49
  6. Step 6: Final answer
    x = 734,205.40

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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.