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Finding the Fourth Proportional to 527,799.11, 728,440.59 and 334,224.49

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Solution

The fourth proportional to 527,799.11, 728,440.59 and 334,224.49 is: 461,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,799.11 : 728,440.59 = 334,224.49 : x
  2. Step 2: Convert to fraction form
    527,799.11/728,440.59 = 334,224.49/x
  3. Step 3: Cross multiply
    527,799.11x = 728,440.59 × 334,224.49
  4. Step 4: Simplify right side
    527,799.11x = 243,462,684,688.05
  5. Step 5: Solve for x
    x = 243,462,684,688.05/527,799.11
  6. Step 6: Final answer
    x = 461,279.07

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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.