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Finding the Fourth Proportional to 346,862.67, 520,343.61 and 106,996.83

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Solution

The fourth proportional to 346,862.67, 520,343.61 and 106,996.83 is: 160,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,862.67 : 520,343.61 = 106,996.83 : x
  2. Step 2: Convert to fraction form
    346,862.67/520,343.61 = 106,996.83/x
  3. Step 3: Cross multiply
    346,862.67x = 520,343.61 × 106,996.83
  4. Step 4: Simplify right side
    346,862.67x = 55,675,116,780.76
  5. Step 5: Solve for x
    x = 55,675,116,780.76/346,862.67
  6. Step 6: Final answer
    x = 160,510.55

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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.