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Finding the Fourth Proportional to 501,095.62, 751,643.44 and 433,426.56

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Solution

The fourth proportional to 501,095.62, 751,643.44 and 433,426.56 is: 650,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,095.62 : 751,643.44 = 433,426.56 : x
  2. Step 2: Convert to fraction form
    501,095.62/751,643.44 = 433,426.56/x
  3. Step 3: Cross multiply
    501,095.62x = 751,643.44 × 433,426.56
  4. Step 4: Simplify right side
    501,095.62x = 325,782,230,545.77
  5. Step 5: Solve for x
    x = 325,782,230,545.77/501,095.62
  6. Step 6: Final answer
    x = 650,139.85

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Double scale
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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.