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Finding the Fourth Proportional to 521,158.02, 719,191.17 and 294,803.52

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Solution

The fourth proportional to 521,158.02, 719,191.17 and 294,803.52 is: 406,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,158.02 : 719,191.17 = 294,803.52 : x
  2. Step 2: Convert to fraction form
    521,158.02/719,191.17 = 294,803.52/x
  3. Step 3: Cross multiply
    521,158.02x = 719,191.17 × 294,803.52
  4. Step 4: Simplify right side
    521,158.02x = 212,020,088,468.92
  5. Step 5: Solve for x
    x = 212,020,088,468.92/521,158.02
  6. Step 6: Final answer
    x = 406,824.96

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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.