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Finding the Fourth Proportional to 696,394.95, 960,671.31 and 454,818.93

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Solution

The fourth proportional to 696,394.95, 960,671.31 and 454,818.93 is: 627,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,394.95 : 960,671.31 = 454,818.93 : x
  2. Step 2: Convert to fraction form
    696,394.95/960,671.31 = 454,818.93/x
  3. Step 3: Cross multiply
    696,394.95x = 960,671.31 × 454,818.93
  4. Step 4: Simplify right side
    696,394.95x = 436,931,497,295.90
  5. Step 5: Solve for x
    x = 436,931,497,295.90/696,394.95
  6. Step 6: Final answer
    x = 627,419.11

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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.