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Finding the Fourth Proportional to 702,504.80, 1,053,802.48 and 247,040.16

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Solution

The fourth proportional to 702,504.80, 1,053,802.48 and 247,040.16 is: 370,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,504.80 : 1,053,802.48 = 247,040.16 : x
  2. Step 2: Convert to fraction form
    702,504.80/1,053,802.48 = 247,040.16/x
  3. Step 3: Cross multiply
    702,504.80x = 1,053,802.48 × 247,040.16
  4. Step 4: Simplify right side
    702,504.80x = 260,331,533,267.60
  5. Step 5: Solve for x
    x = 260,331,533,267.60/702,504.80
  6. Step 6: Final answer
    x = 370,576.16

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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.