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Finding the Fourth Proportional to 569,863.76, 786,454.69 and 324,854.36

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Solution

The fourth proportional to 569,863.76, 786,454.69 and 324,854.36 is: 448,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,863.76 : 786,454.69 = 324,854.36 : x
  2. Step 2: Convert to fraction form
    569,863.76/786,454.69 = 324,854.36/x
  3. Step 3: Cross multiply
    569,863.76x = 786,454.69 × 324,854.36
  4. Step 4: Simplify right side
    569,863.76x = 255,483,234,988.95
  5. Step 5: Solve for x
    x = 255,483,234,988.95/569,863.76
  6. Step 6: Final answer
    x = 448,323.36

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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.