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Finding the Fourth Proportional to 624,754.56, 861,516.84 and 534,409.56

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Solution

The fourth proportional to 624,754.56, 861,516.84 and 534,409.56 is: 736,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,754.56 : 861,516.84 = 534,409.56 : x
  2. Step 2: Convert to fraction form
    624,754.56/861,516.84 = 534,409.56/x
  3. Step 3: Cross multiply
    624,754.56x = 861,516.84 × 534,409.56
  4. Step 4: Simplify right side
    624,754.56x = 460,402,835,396.99
  5. Step 5: Solve for x
    x = 460,402,835,396.99/624,754.56
  6. Step 6: Final answer
    x = 736,933.93

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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.