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Finding the Fourth Proportional to 672,165.65, 927,653.97 and 502,104.53

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Solution

The fourth proportional to 672,165.65, 927,653.97 and 502,104.53 is: 692,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,165.65 : 927,653.97 = 502,104.53 : x
  2. Step 2: Convert to fraction form
    672,165.65/927,653.97 = 502,104.53/x
  3. Step 3: Cross multiply
    672,165.65x = 927,653.97 × 502,104.53
  4. Step 4: Simplify right side
    672,165.65x = 465,779,258,098.96
  5. Step 5: Solve for x
    x = 465,779,258,098.96/672,165.65
  6. Step 6: Final answer
    x = 692,953.08

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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.