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Finding the Fourth Proportional to 569,443.24, 785,763.30 and 314,759.56

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Solution

The fourth proportional to 569,443.24, 785,763.30 and 314,759.56 is: 434,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,443.24 : 785,763.30 = 314,759.56 : x
  2. Step 2: Convert to fraction form
    569,443.24/785,763.30 = 314,759.56/x
  3. Step 3: Cross multiply
    569,443.24x = 785,763.30 × 314,759.56
  4. Step 4: Simplify right side
    569,443.24x = 247,326,510,572.15
  5. Step 5: Solve for x
    x = 247,326,510,572.15/569,443.24
  6. Step 6: Final answer
    x = 434,330.40

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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.