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Finding the Fourth Proportional to 583,298.60, 804,951.88 and 315,026.60

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Solution

The fourth proportional to 583,298.60, 804,951.88 and 315,026.60 is: 434,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,298.60 : 804,951.88 = 315,026.60 : x
  2. Step 2: Convert to fraction form
    583,298.60/804,951.88 = 315,026.60/x
  3. Step 3: Cross multiply
    583,298.60x = 804,951.88 × 315,026.60
  4. Step 4: Simplify right side
    583,298.60x = 253,581,253,920.01
  5. Step 5: Solve for x
    x = 253,581,253,920.01/583,298.60
  6. Step 6: Final answer
    x = 434,736.61

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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.