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Finding the Fourth Proportional to 652,630.65, 901,547.87 and 503,642.49

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Solution

The fourth proportional to 652,630.65, 901,547.87 and 503,642.49 is: 695,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,630.65 : 901,547.87 = 503,642.49 : x
  2. Step 2: Convert to fraction form
    652,630.65/901,547.87 = 503,642.49/x
  3. Step 3: Cross multiply
    652,630.65x = 901,547.87 × 503,642.49
  4. Step 4: Simplify right side
    652,630.65x = 454,057,811,582.78
  5. Step 5: Solve for x
    x = 454,057,811,582.78/652,630.65
  6. Step 6: Final answer
    x = 695,734.73

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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.