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Finding the Fourth Proportional to 506,712.96, 760,331.88 and 367,619.76

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Solution

The fourth proportional to 506,712.96, 760,331.88 and 367,619.76 is: 551,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,712.96 : 760,331.88 = 367,619.76 : x
  2. Step 2: Convert to fraction form
    506,712.96/760,331.88 = 367,619.76/x
  3. Step 3: Cross multiply
    506,712.96x = 760,331.88 × 367,619.76
  4. Step 4: Simplify right side
    506,712.96x = 279,513,023,245.95
  5. Step 5: Solve for x
    x = 279,513,023,245.95/506,712.96
  6. Step 6: Final answer
    x = 551,620.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.