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Finding the Fourth Proportional to 661,504.70, 992,257.05 and 461,402.30

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Solution

The fourth proportional to 661,504.70, 992,257.05 and 461,402.30 is: 692,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,504.70 : 992,257.05 = 461,402.30 : x
  2. Step 2: Convert to fraction form
    661,504.70/992,257.05 = 461,402.30/x
  3. Step 3: Cross multiply
    661,504.70x = 992,257.05 × 461,402.30
  4. Step 4: Simplify right side
    661,504.70x = 457,829,685,061.22
  5. Step 5: Solve for x
    x = 457,829,685,061.22/661,504.70
  6. Step 6: Final answer
    x = 692,103.45

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Double scale
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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.