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Finding the Fourth Proportional to 473,574.90, 710,356.96 and 136,604.44

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Solution

The fourth proportional to 473,574.90, 710,356.96 and 136,604.44 is: 204,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,574.90 : 710,356.96 = 136,604.44 : x
  2. Step 2: Convert to fraction form
    473,574.90/710,356.96 = 136,604.44/x
  3. Step 3: Cross multiply
    473,574.90x = 710,356.96 × 136,604.44
  4. Step 4: Simplify right side
    473,574.90x = 97,037,915,011.20
  5. Step 5: Solve for x
    x = 97,037,915,011.20/473,574.90
  6. Step 6: Final answer
    x = 204,905.10

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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.