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Finding the Fourth Proportional to 544,243.20, 816,373.20 and 207,302.64

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Solution

The fourth proportional to 544,243.20, 816,373.20 and 207,302.64 is: 310,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,243.20 : 816,373.20 = 207,302.64 : x
  2. Step 2: Convert to fraction form
    544,243.20/816,373.20 = 207,302.64/x
  3. Step 3: Cross multiply
    544,243.20x = 816,373.20 × 207,302.64
  4. Step 4: Simplify right side
    544,243.20x = 169,236,319,585.25
  5. Step 5: Solve for x
    x = 169,236,319,585.25/544,243.20
  6. Step 6: Final answer
    x = 310,957.16

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1.5x scale

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.