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Finding the Fourth Proportional to 704,892.60, 972,752.62 and 382,602.68

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Solution

The fourth proportional to 704,892.60, 972,752.62 and 382,602.68 is: 527,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,892.60 : 972,752.62 = 382,602.68 : x
  2. Step 2: Convert to fraction form
    704,892.60/972,752.62 = 382,602.68/x
  3. Step 3: Cross multiply
    704,892.60x = 972,752.62 × 382,602.68
  4. Step 4: Simplify right side
    704,892.60x = 372,177,759,389.02
  5. Step 5: Solve for x
    x = 372,177,759,389.02/704,892.60
  6. Step 6: Final answer
    x = 527,992.15

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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.