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Finding the Fourth Proportional to 544,585.20, 763,206.60 and 544,585.20

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Solution

The fourth proportional to 544,585.20, 763,206.60 and 544,585.20 is: 763,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,585.20 : 763,206.60 = 544,585.20 : x
  2. Step 2: Convert to fraction form
    544,585.20/763,206.60 = 544,585.20/x
  3. Step 3: Cross multiply
    544,585.20x = 763,206.60 × 544,585.20
  4. Step 4: Simplify right side
    544,585.20x = 415,631,018,902.32
  5. Step 5: Solve for x
    x = 415,631,018,902.32/544,585.20
  6. Step 6: Final answer
    x = 763,206.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.