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Finding the Fourth Proportional to 502,682.06, 754,143.34 and 147,688.22

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Solution

The fourth proportional to 502,682.06, 754,143.34 and 147,688.22 is: 221,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,682.06 : 754,143.34 = 147,688.22 : x
  2. Step 2: Convert to fraction form
    502,682.06/754,143.34 = 147,688.22/x
  3. Step 3: Cross multiply
    502,682.06x = 754,143.34 × 147,688.22
  4. Step 4: Simplify right side
    502,682.06x = 111,378,087,509.46
  5. Step 5: Solve for x
    x = 111,378,087,509.46/502,682.06
  6. Step 6: Final answer
    x = 221,567.66

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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.