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Finding the Fourth Proportional to 622,854.87, 934,282.38 and 356,427.01

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Solution

The fourth proportional to 622,854.87, 934,282.38 and 356,427.01 is: 534,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,854.87 : 934,282.38 = 356,427.01 : x
  2. Step 2: Convert to fraction form
    622,854.87/934,282.38 = 356,427.01/x
  3. Step 3: Cross multiply
    622,854.87x = 934,282.38 × 356,427.01
  4. Step 4: Simplify right side
    622,854.87x = 333,003,472,068.52
  5. Step 5: Solve for x
    x = 333,003,472,068.52/622,854.87
  6. Step 6: Final answer
    x = 534,640.56

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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.