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Finding the Fourth Proportional to 468,079.47, 702,139.19 and 183,831.63

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Solution

The fourth proportional to 468,079.47, 702,139.19 and 183,831.63 is: 275,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,079.47 : 702,139.19 = 183,831.63 : x
  2. Step 2: Convert to fraction form
    468,079.47/702,139.19 = 183,831.63/x
  3. Step 3: Cross multiply
    468,079.47x = 702,139.19 × 183,831.63
  4. Step 4: Simplify right side
    468,079.47x = 129,075,390,865.42
  5. Step 5: Solve for x
    x = 129,075,390,865.42/468,079.47
  6. Step 6: Final answer
    x = 275,755.29

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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.