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Finding the Fourth Proportional to 706,001.12, 974,287.92 and 383,712

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Solution

The fourth proportional to 706,001.12, 974,287.92 and 383,712 is: 529,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,001.12 : 974,287.92 = 383,712 : x
  2. Step 2: Convert to fraction form
    706,001.12/974,287.92 = 383,712/x
  3. Step 3: Cross multiply
    706,001.12x = 974,287.92 × 383,712
  4. Step 4: Simplify right side
    706,001.12x = 373,845,966,359.04
  5. Step 5: Solve for x
    x = 373,845,966,359.04/706,001.12
  6. Step 6: Final answer
    x = 529,526.02

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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.