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Finding the Fourth Proportional to 610,431.70, 916,522.35 and 461,715.70

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Solution

The fourth proportional to 610,431.70, 916,522.35 and 461,715.70 is: 693,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,431.70 : 916,522.35 = 461,715.70 : x
  2. Step 2: Convert to fraction form
    610,431.70/916,522.35 = 461,715.70/x
  3. Step 3: Cross multiply
    610,431.70x = 916,522.35 × 461,715.70
  4. Step 4: Simplify right side
    610,431.70x = 423,172,758,395.90
  5. Step 5: Solve for x
    x = 423,172,758,395.90/610,431.70
  6. Step 6: Final answer
    x = 693,235.23

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Similar ratio
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1.5x scale

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.