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Finding the Fourth Proportional to 888,737.84, 1,226,427.72 and 506,887.64

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Solution

The fourth proportional to 888,737.84, 1,226,427.72 and 506,887.64 is: 699,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,737.84 : 1,226,427.72 = 506,887.64 : x
  2. Step 2: Convert to fraction form
    888,737.84/1,226,427.72 = 506,887.64/x
  3. Step 3: Cross multiply
    888,737.84x = 1,226,427.72 × 506,887.64
  4. Step 4: Simplify right side
    888,737.84x = 621,661,052,621.38
  5. Step 5: Solve for x
    x = 621,661,052,621.38/888,737.84
  6. Step 6: Final answer
    x = 699,487.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.