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Finding the Fourth Proportional to 363,383.84, 545,097.65 and 153,038.18

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Solution

The fourth proportional to 363,383.84, 545,097.65 and 153,038.18 is: 229,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,383.84 : 545,097.65 = 153,038.18 : x
  2. Step 2: Convert to fraction form
    363,383.84/545,097.65 = 153,038.18/x
  3. Step 3: Cross multiply
    363,383.84x = 545,097.65 × 153,038.18
  4. Step 4: Simplify right side
    363,383.84x = 83,420,752,875.83
  5. Step 5: Solve for x
    x = 83,420,752,875.83/363,383.84
  6. Step 6: Final answer
    x = 229,566.49

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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.