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Finding the Fourth Proportional to 566,385.90, 781,504.65 and 362,280.48

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Solution

The fourth proportional to 566,385.90, 781,504.65 and 362,280.48 is: 499,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,385.90 : 781,504.65 = 362,280.48 : x
  2. Step 2: Convert to fraction form
    566,385.90/781,504.65 = 362,280.48/x
  3. Step 3: Cross multiply
    566,385.90x = 781,504.65 × 362,280.48
  4. Step 4: Simplify right side
    566,385.90x = 283,123,879,724.23
  5. Step 5: Solve for x
    x = 283,123,879,724.23/566,385.90
  6. Step 6: Final answer
    x = 499,878.05

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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.