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Finding the Fourth Proportional to 544,807.70, 817,211.55 and 170,830.10

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Solution

The fourth proportional to 544,807.70, 817,211.55 and 170,830.10 is: 256,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,807.70 : 817,211.55 = 170,830.10 : x
  2. Step 2: Convert to fraction form
    544,807.70/817,211.55 = 170,830.10/x
  3. Step 3: Cross multiply
    544,807.70x = 817,211.55 × 170,830.10
  4. Step 4: Simplify right side
    544,807.70x = 139,604,330,807.66
  5. Step 5: Solve for x
    x = 139,604,330,807.66/544,807.70
  6. Step 6: Final answer
    x = 256,245.15

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Similar ratio
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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.