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Finding the Fourth Proportional to 442,312.73, 662,427.53 and 292,180.64

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Solution

The fourth proportional to 442,312.73, 662,427.53 and 292,180.64 is: 437,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,312.73 : 662,427.53 = 292,180.64 : x
  2. Step 2: Convert to fraction form
    442,312.73/662,427.53 = 292,180.64/x
  3. Step 3: Cross multiply
    442,312.73x = 662,427.53 × 292,180.64
  4. Step 4: Simplify right side
    442,312.73x = 193,548,499,864.19
  5. Step 5: Solve for x
    x = 193,548,499,864.19/442,312.73
  6. Step 6: Final answer
    x = 437,582.93

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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.