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Finding the Fourth Proportional to 598,655.78, 897,203.88 and 243,254.32

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Solution

The fourth proportional to 598,655.78, 897,203.88 and 243,254.32 is: 364,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,655.78 : 897,203.88 = 243,254.32 : x
  2. Step 2: Convert to fraction form
    598,655.78/897,203.88 = 243,254.32/x
  3. Step 3: Cross multiply
    598,655.78x = 897,203.88 × 243,254.32
  4. Step 4: Simplify right side
    598,655.78x = 218,248,719,730.76
  5. Step 5: Solve for x
    x = 218,248,719,730.76/598,655.78
  6. Step 6: Final answer
    x = 364,564.62

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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.