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Finding the Fourth Proportional to 599,287.40, 898,931.10 and 156,055.40

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Solution

The fourth proportional to 599,287.40, 898,931.10 and 156,055.40 is: 234,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,287.40 : 898,931.10 = 156,055.40 : x
  2. Step 2: Convert to fraction form
    599,287.40/898,931.10 = 156,055.40/x
  3. Step 3: Cross multiply
    599,287.40x = 898,931.10 × 156,055.40
  4. Step 4: Simplify right side
    599,287.40x = 140,283,052,382.94
  5. Step 5: Solve for x
    x = 140,283,052,382.94/599,287.40
  6. Step 6: Final answer
    x = 234,083.10

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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.