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Finding the Fourth Proportional to 652,569.65, 978,854.48 and 652,569.65

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Solution

The fourth proportional to 652,569.65, 978,854.48 and 652,569.65 is: 978,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,569.65 : 978,854.48 = 652,569.65 : x
  2. Step 2: Convert to fraction form
    652,569.65/978,854.48 = 652,569.65/x
  3. Step 3: Cross multiply
    652,569.65x = 978,854.48 × 652,569.65
  4. Step 4: Simplify right side
    652,569.65x = 638,770,722,151.68
  5. Step 5: Solve for x
    x = 638,770,722,151.68/652,569.65
  6. Step 6: Final answer
    x = 978,854.48

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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.