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Finding the Fourth Proportional to 453,462.72, 679,902.48 and 216,800.16

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Solution

The fourth proportional to 453,462.72, 679,902.48 and 216,800.16 is: 325,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,462.72 : 679,902.48 = 216,800.16 : x
  2. Step 2: Convert to fraction form
    453,462.72/679,902.48 = 216,800.16/x
  3. Step 3: Cross multiply
    453,462.72x = 679,902.48 × 216,800.16
  4. Step 4: Simplify right side
    453,462.72x = 147,402,966,448.40
  5. Step 5: Solve for x
    x = 147,402,966,448.40/453,462.72
  6. Step 6: Final answer
    x = 325,060.83

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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.