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Finding the Fourth Proportional to 610,287.19, 915,305.64 and 231,077.10

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Solution

The fourth proportional to 610,287.19, 915,305.64 and 231,077.10 is: 346,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,287.19 : 915,305.64 = 231,077.10 : x
  2. Step 2: Convert to fraction form
    610,287.19/915,305.64 = 231,077.10/x
  3. Step 3: Cross multiply
    610,287.19x = 915,305.64 × 231,077.10
  4. Step 4: Simplify right side
    610,287.19x = 211,506,172,904.84
  5. Step 5: Solve for x
    x = 211,506,172,904.84/610,287.19
  6. Step 6: Final answer
    x = 346,568.27

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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.