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Finding the Fourth Proportional to 610,913.58, 915,152.49 and 477,167.82

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Solution

The fourth proportional to 610,913.58, 915,152.49 and 477,167.82 is: 714,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,913.58 : 915,152.49 = 477,167.82 : x
  2. Step 2: Convert to fraction form
    610,913.58/915,152.49 = 477,167.82/x
  3. Step 3: Cross multiply
    610,913.58x = 915,152.49 × 477,167.82
  4. Step 4: Simplify right side
    610,913.58x = 436,681,318,620.87
  5. Step 5: Solve for x
    x = 436,681,318,620.87/610,913.58
  6. Step 6: Final answer
    x = 714,800.48

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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.