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Finding the Fourth Proportional to 606,681.36, 910,154.88 and 185,990.04

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Solution

The fourth proportional to 606,681.36, 910,154.88 and 185,990.04 is: 279,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,681.36 : 910,154.88 = 185,990.04 : x
  2. Step 2: Convert to fraction form
    606,681.36/910,154.88 = 185,990.04/x
  3. Step 3: Cross multiply
    606,681.36x = 910,154.88 × 185,990.04
  4. Step 4: Simplify right side
    606,681.36x = 169,279,742,537.40
  5. Step 5: Solve for x
    x = 169,279,742,537.40/606,681.36
  6. Step 6: Final answer
    x = 279,025.78

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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.