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Finding the Fourth Proportional to 417,693.17, 626,610.49 and 144,065.07

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Solution

The fourth proportional to 417,693.17, 626,610.49 and 144,065.07 is: 216,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,693.17 : 626,610.49 = 144,065.07 : x
  2. Step 2: Convert to fraction form
    417,693.17/626,610.49 = 144,065.07/x
  3. Step 3: Cross multiply
    417,693.17x = 626,610.49 × 144,065.07
  4. Step 4: Simplify right side
    417,693.17x = 90,272,686,094.21
  5. Step 5: Solve for x
    x = 90,272,686,094.21/417,693.17
  6. Step 6: Final answer
    x = 216,122.01

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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.