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Finding the Fourth Proportional to 707,502.48, 976,304.10 and 401,585.10

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Solution

The fourth proportional to 707,502.48, 976,304.10 and 401,585.10 is: 554,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,502.48 : 976,304.10 = 401,585.10 : x
  2. Step 2: Convert to fraction form
    707,502.48/976,304.10 = 401,585.10/x
  3. Step 3: Cross multiply
    707,502.48x = 976,304.10 × 401,585.10
  4. Step 4: Simplify right side
    707,502.48x = 392,069,179,628.91
  5. Step 5: Solve for x
    x = 392,069,179,628.91/707,502.48
  6. Step 6: Final answer
    x = 554,159.44

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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.