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Finding the Fourth Proportional to 363,446.76, 545,051.10 and 153,045.48

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Solution

The fourth proportional to 363,446.76, 545,051.10 and 153,045.48 is: 229,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,446.76 : 545,051.10 = 153,045.48 : x
  2. Step 2: Convert to fraction form
    363,446.76/545,051.10 = 153,045.48/x
  3. Step 3: Cross multiply
    363,446.76x = 545,051.10 × 153,045.48
  4. Step 4: Simplify right side
    363,446.76x = 83,417,607,224.03
  5. Step 5: Solve for x
    x = 83,417,607,224.03/363,446.76
  6. Step 6: Final answer
    x = 229,518.09

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1.5x scale

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.