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Finding the Fourth Proportional to 610,109.88, 915,184.08 and 210,773.40

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Solution

The fourth proportional to 610,109.88, 915,184.08 and 210,773.40 is: 316,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,109.88 : 915,184.08 = 210,773.40 : x
  2. Step 2: Convert to fraction form
    610,109.88/915,184.08 = 210,773.40/x
  3. Step 3: Cross multiply
    610,109.88x = 915,184.08 × 210,773.40
  4. Step 4: Simplify right side
    610,109.88x = 192,896,460,167.47
  5. Step 5: Solve for x
    x = 192,896,460,167.47/610,109.88
  6. Step 6: Final answer
    x = 316,166.75

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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.