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Finding the Fourth Proportional to 573,031.61, 859,719.29 and 231,299.19

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Solution

The fourth proportional to 573,031.61, 859,719.29 and 231,299.19 is: 347,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,031.61 : 859,719.29 = 231,299.19 : x
  2. Step 2: Convert to fraction form
    573,031.61/859,719.29 = 231,299.19/x
  3. Step 3: Cross multiply
    573,031.61x = 859,719.29 × 231,299.19
  4. Step 4: Simplify right side
    573,031.61x = 198,852,374,247.88
  5. Step 5: Solve for x
    x = 198,852,374,247.88/573,031.61
  6. Step 6: Final answer
    x = 347,018.16

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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.