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Finding the Fourth Proportional to 884,658.68, 1,326,988.94 and 219,810.68

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Solution

The fourth proportional to 884,658.68, 1,326,988.94 and 219,810.68 is: 329,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,658.68 : 1,326,988.94 = 219,810.68 : x
  2. Step 2: Convert to fraction form
    884,658.68/1,326,988.94 = 219,810.68/x
  3. Step 3: Cross multiply
    884,658.68x = 1,326,988.94 × 219,810.68
  4. Step 4: Simplify right side
    884,658.68x = 291,686,341,253.88
  5. Step 5: Solve for x
    x = 291,686,341,253.88/884,658.68
  6. Step 6: Final answer
    x = 329,716.25

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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.