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Finding the Fourth Proportional to 472,894.77, 709,720.42 and 248,387.60

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Solution

The fourth proportional to 472,894.77, 709,720.42 and 248,387.60 is: 372,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,894.77 : 709,720.42 = 248,387.60 : x
  2. Step 2: Convert to fraction form
    472,894.77/709,720.42 = 248,387.60/x
  3. Step 3: Cross multiply
    472,894.77x = 709,720.42 × 248,387.60
  4. Step 4: Simplify right side
    472,894.77x = 176,285,750,641.46
  5. Step 5: Solve for x
    x = 176,285,750,641.46/472,894.77
  6. Step 6: Final answer
    x = 372,780.08

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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.