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Finding the Fourth Proportional to 627,054, 865,582.52 and 436,178.16

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Solution

The fourth proportional to 627,054, 865,582.52 and 436,178.16 is: 602,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,054 : 865,582.52 = 436,178.16 : x
  2. Step 2: Convert to fraction form
    627,054/865,582.52 = 436,178.16/x
  3. Step 3: Cross multiply
    627,054x = 865,582.52 × 436,178.16
  4. Step 4: Simplify right side
    627,054x = 377,548,190,901.76
  5. Step 5: Solve for x
    x = 377,548,190,901.76/627,054
  6. Step 6: Final answer
    x = 602,098.37

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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.