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Finding the Fourth Proportional to 503,631.32, 755,528.98 and 148,681.22

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Solution

The fourth proportional to 503,631.32, 755,528.98 and 148,681.22 is: 223,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,631.32 : 755,528.98 = 148,681.22 : x
  2. Step 2: Convert to fraction form
    503,631.32/755,528.98 = 148,681.22/x
  3. Step 3: Cross multiply
    503,631.32x = 755,528.98 × 148,681.22
  4. Step 4: Simplify right side
    503,631.32x = 112,332,966,714.11
  5. Step 5: Solve for x
    x = 112,332,966,714.11/503,631.32
  6. Step 6: Final answer
    x = 223,046.03

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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.