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Finding the Fourth Proportional to 363,860.30, 545,848.84 and 153,529.22

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Solution

The fourth proportional to 363,860.30, 545,848.84 and 153,529.22 is: 230,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,860.30 : 545,848.84 = 153,529.22 : x
  2. Step 2: Convert to fraction form
    363,860.30/545,848.84 = 153,529.22/x
  3. Step 3: Cross multiply
    363,860.30x = 545,848.84 × 153,529.22
  4. Step 4: Simplify right side
    363,860.30x = 83,803,746,643.10
  5. Step 5: Solve for x
    x = 83,803,746,643.10/363,860.30
  6. Step 6: Final answer
    x = 230,318.47

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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.