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Finding the Fourth Proportional to 586,280.76, 807,961.70 and 469,862.00

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Solution

The fourth proportional to 586,280.76, 807,961.70 and 469,862.00 is: 647,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,280.76 : 807,961.70 = 469,862.00 : x
  2. Step 2: Convert to fraction form
    586,280.76/807,961.70 = 469,862.00/x
  3. Step 3: Cross multiply
    586,280.76x = 807,961.70 × 469,862.00
  4. Step 4: Simplify right side
    586,280.76x = 379,630,493,896.28
  5. Step 5: Solve for x
    x = 379,630,493,896.28/586,280.76
  6. Step 6: Final answer
    x = 647,523.37

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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.