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Finding the Fourth Proportional to 371,031.60, 556,806.60 and 160,820.40

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Solution

The fourth proportional to 371,031.60, 556,806.60 and 160,820.40 is: 241,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,031.60 : 556,806.60 = 160,820.40 : x
  2. Step 2: Convert to fraction form
    371,031.60/556,806.60 = 160,820.40/x
  3. Step 3: Cross multiply
    371,031.60x = 556,806.60 × 160,820.40
  4. Step 4: Simplify right side
    371,031.60x = 89,545,860,134.64
  5. Step 5: Solve for x
    x = 89,545,860,134.64/371,031.60
  6. Step 6: Final answer
    x = 241,342.95

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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.