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Finding the Fourth Proportional to 545,246.70, 817,870.05 and 151,262.70

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Solution

The fourth proportional to 545,246.70, 817,870.05 and 151,262.70 is: 226,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,246.70 : 817,870.05 = 151,262.70 : x
  2. Step 2: Convert to fraction form
    545,246.70/817,870.05 = 151,262.70/x
  3. Step 3: Cross multiply
    545,246.70x = 817,870.05 × 151,262.70
  4. Step 4: Simplify right side
    545,246.70x = 123,713,232,012.14
  5. Step 5: Solve for x
    x = 123,713,232,012.14/545,246.70
  6. Step 6: Final answer
    x = 226,894.05

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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.