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Finding the Fourth Proportional to 637,834,280.80, 955,407,728.40 and 637,834,280.80

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Solution

The fourth proportional to 637,834,280.80, 955,407,728.40 and 637,834,280.80 is: 955,407,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,834,280.80 : 955,407,728.40 = 637,834,280.80 : x
  2. Step 2: Convert to fraction form
    637,834,280.80/955,407,728.40 = 637,834,280.80/x
  3. Step 3: Cross multiply
    637,834,280.80x = 955,407,728.40 × 637,834,280.80
  4. Step 4: Simplify right side
    637,834,280.80x = 609,391,801,314,775,680
  5. Step 5: Solve for x
    x = 609,391,801,314,775,680/637,834,280.80
  6. Step 6: Final answer
    x = 955,407,728.40

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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.