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Finding the Fourth Proportional to 704,165.32, 1,057,304.22 and 679,670.92

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Solution

The fourth proportional to 704,165.32, 1,057,304.22 and 679,670.92 is: 1,020,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,165.32 : 1,057,304.22 = 679,670.92 : x
  2. Step 2: Convert to fraction form
    704,165.32/1,057,304.22 = 679,670.92/x
  3. Step 3: Cross multiply
    704,165.32x = 1,057,304.22 × 679,670.92
  4. Step 4: Simplify right side
    704,165.32x = 718,618,931,927.28
  5. Step 5: Solve for x
    x = 718,618,931,927.28/704,165.32
  6. Step 6: Final answer
    x = 1,020,525.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.