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Finding the Fourth Proportional to 544,907.10, 817,365.29 and 189,920.55

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Solution

The fourth proportional to 544,907.10, 817,365.29 and 189,920.55 is: 284,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,907.10 : 817,365.29 = 189,920.55 : x
  2. Step 2: Convert to fraction form
    544,907.10/817,365.29 = 189,920.55/x
  3. Step 3: Cross multiply
    544,907.10x = 817,365.29 × 189,920.55
  4. Step 4: Simplify right side
    544,907.10x = 155,234,464,478.11
  5. Step 5: Solve for x
    x = 155,234,464,478.11/544,907.10
  6. Step 6: Final answer
    x = 284,882.44

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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.