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Finding the Fourth Proportional to 357,996.70, 537,008.01 and 121,362.22

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Solution

The fourth proportional to 357,996.70, 537,008.01 and 121,362.22 is: 182,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,996.70 : 537,008.01 = 121,362.22 : x
  2. Step 2: Convert to fraction form
    357,996.70/537,008.01 = 121,362.22/x
  3. Step 3: Cross multiply
    357,996.70x = 537,008.01 × 121,362.22
  4. Step 4: Simplify right side
    357,996.70x = 65,172,484,251.38
  5. Step 5: Solve for x
    x = 65,172,484,251.38/357,996.70
  6. Step 6: Final answer
    x = 182,047.72

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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.