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Finding the Fourth Proportional to 556,233.40, 834,350.10 and 376,607.80

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Solution

The fourth proportional to 556,233.40, 834,350.10 and 376,607.80 is: 564,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,233.40 : 834,350.10 = 376,607.80 : x
  2. Step 2: Convert to fraction form
    556,233.40/834,350.10 = 376,607.80/x
  3. Step 3: Cross multiply
    556,233.40x = 834,350.10 × 376,607.80
  4. Step 4: Simplify right side
    556,233.40x = 314,222,755,590.78
  5. Step 5: Solve for x
    x = 314,222,755,590.78/556,233.40
  6. Step 6: Final answer
    x = 564,911.70

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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.