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Finding the Fourth Proportional to 584,974.01, 807,269.48 and 343,260.61

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Solution

The fourth proportional to 584,974.01, 807,269.48 and 343,260.61 is: 473,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,974.01 : 807,269.48 = 343,260.61 : x
  2. Step 2: Convert to fraction form
    584,974.01/807,269.48 = 343,260.61/x
  3. Step 3: Cross multiply
    584,974.01x = 807,269.48 × 343,260.61
  4. Step 4: Simplify right side
    584,974.01x = 277,103,814,719.19
  5. Step 5: Solve for x
    x = 277,103,814,719.19/584,974.01
  6. Step 6: Final answer
    x = 473,702.78

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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.