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Finding the Fourth Proportional to 637,233.80, 955,850.70 and 609,931.40

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Solution

The fourth proportional to 637,233.80, 955,850.70 and 609,931.40 is: 914,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,233.80 : 955,850.70 = 609,931.40 : x
  2. Step 2: Convert to fraction form
    637,233.80/955,850.70 = 609,931.40/x
  3. Step 3: Cross multiply
    637,233.80x = 955,850.70 × 609,931.40
  4. Step 4: Simplify right side
    637,233.80x = 583,003,355,641.98
  5. Step 5: Solve for x
    x = 583,003,355,641.98/637,233.80
  6. Step 6: Final answer
    x = 914,897.10

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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.