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Finding the Fourth Proportional to 554,843.57, 766,213.05 and 524,617.50

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Solution

The fourth proportional to 554,843.57, 766,213.05 and 524,617.50 is: 724,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,843.57 : 766,213.05 = 524,617.50 : x
  2. Step 2: Convert to fraction form
    554,843.57/766,213.05 = 524,617.50/x
  3. Step 3: Cross multiply
    554,843.57x = 766,213.05 × 524,617.50
  4. Step 4: Simplify right side
    554,843.57x = 401,968,774,758.38
  5. Step 5: Solve for x
    x = 401,968,774,758.38/554,843.57
  6. Step 6: Final answer
    x = 724,472.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.