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Finding the Fourth Proportional to 662,503.19, 914,276.88 and 372,165.98

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Solution

The fourth proportional to 662,503.19, 914,276.88 and 372,165.98 is: 513,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,503.19 : 914,276.88 = 372,165.98 : x
  2. Step 2: Convert to fraction form
    662,503.19/914,276.88 = 372,165.98/x
  3. Step 3: Cross multiply
    662,503.19x = 914,276.88 × 372,165.98
  4. Step 4: Simplify right side
    662,503.19x = 340,262,746,465.16
  5. Step 5: Solve for x
    x = 340,262,746,465.16/662,503.19
  6. Step 6: Final answer
    x = 513,601.68

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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.