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Finding the Fourth Proportional to 696,376.95, 960,646.47 and 454,800.93

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Solution

The fourth proportional to 696,376.95, 960,646.47 and 454,800.93 is: 627,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,376.95 : 960,646.47 = 454,800.93 : x
  2. Step 2: Convert to fraction form
    696,376.95/960,646.47 = 454,800.93/x
  3. Step 3: Cross multiply
    696,376.95x = 960,646.47 × 454,800.93
  4. Step 4: Simplify right side
    696,376.95x = 436,902,910,706.89
  5. Step 5: Solve for x
    x = 436,902,910,706.89/696,376.95
  6. Step 6: Final answer
    x = 627,394.27

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Double scale
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1.5x scale

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.