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Finding the Fourth Proportional to 624,378.07, 861,643.26 and 337,900.24

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Solution

The fourth proportional to 624,378.07, 861,643.26 and 337,900.24 is: 466,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,378.07 : 861,643.26 = 337,900.24 : x
  2. Step 2: Convert to fraction form
    624,378.07/861,643.26 = 337,900.24/x
  3. Step 3: Cross multiply
    624,378.07x = 861,643.26 × 337,900.24
  4. Step 4: Simplify right side
    624,378.07x = 291,149,464,348.38
  5. Step 5: Solve for x
    x = 291,149,464,348.38/624,378.07
  6. Step 6: Final answer
    x = 466,303.16

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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.