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Finding the Fourth Proportional to 632,068.48, 872,248.48 and 345,585.52

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Solution

The fourth proportional to 632,068.48, 872,248.48 and 345,585.52 is: 476,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,068.48 : 872,248.48 = 345,585.52 : x
  2. Step 2: Convert to fraction form
    632,068.48/872,248.48 = 345,585.52/x
  3. Step 3: Cross multiply
    632,068.48x = 872,248.48 × 345,585.52
  4. Step 4: Simplify right side
    632,068.48x = 301,436,444,530.01
  5. Step 5: Solve for x
    x = 301,436,444,530.01/632,068.48
  6. Step 6: Final answer
    x = 476,904.72

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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.