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Finding the Fourth Proportional to 304,278.96, 455,822.28 and 144,041.52

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Solution

The fourth proportional to 304,278.96, 455,822.28 and 144,041.52 is: 215,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,278.96 : 455,822.28 = 144,041.52 : x
  2. Step 2: Convert to fraction form
    304,278.96/455,822.28 = 144,041.52/x
  3. Step 3: Cross multiply
    304,278.96x = 455,822.28 × 144,041.52
  4. Step 4: Simplify right side
    304,278.96x = 65,657,334,061.07
  5. Step 5: Solve for x
    x = 65,657,334,061.07/304,278.96
  6. Step 6: Final answer
    x = 215,780.07

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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.