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Finding the Fourth Proportional to 363,870.04, 545,878.20 and 153,507.04

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Solution

The fourth proportional to 363,870.04, 545,878.20 and 153,507.04 is: 230,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,870.04 : 545,878.20 = 153,507.04 : x
  2. Step 2: Convert to fraction form
    363,870.04/545,878.20 = 153,507.04/x
  3. Step 3: Cross multiply
    363,870.04x = 545,878.20 × 153,507.04
  4. Step 4: Simplify right side
    363,870.04x = 83,796,146,682.53
  5. Step 5: Solve for x
    x = 83,796,146,682.53/363,870.04
  6. Step 6: Final answer
    x = 230,291.42

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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.