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Finding the Fourth Proportional to 346,732.90, 520,099.35 and 160,108.90

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Solution

The fourth proportional to 346,732.90, 520,099.35 and 160,108.90 is: 240,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,732.90 : 520,099.35 = 160,108.90 : x
  2. Step 2: Convert to fraction form
    346,732.90/520,099.35 = 160,108.90/x
  3. Step 3: Cross multiply
    346,732.90x = 520,099.35 × 160,108.90
  4. Step 4: Simplify right side
    346,732.90x = 83,272,534,819.22
  5. Step 5: Solve for x
    x = 83,272,534,819.22/346,732.90
  6. Step 6: Final answer
    x = 240,163.35

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1.5x scale

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.