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Finding the Fourth Proportional to 703,011.86, 970,252.92 and 431,031.68

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Solution

The fourth proportional to 703,011.86, 970,252.92 and 431,031.68 is: 594,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,011.86 : 970,252.92 = 431,031.68 : x
  2. Step 2: Convert to fraction form
    703,011.86/970,252.92 = 431,031.68/x
  3. Step 3: Cross multiply
    703,011.86x = 970,252.92 × 431,031.68
  4. Step 4: Simplify right side
    703,011.86x = 418,209,746,132.51
  5. Step 5: Solve for x
    x = 418,209,746,132.51/703,011.86
  6. Step 6: Final answer
    x = 594,882.92

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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.