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Finding the Fourth Proportional to 569,854.96, 786,419.27 and 324,875.95

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Solution

The fourth proportional to 569,854.96, 786,419.27 and 324,875.95 is: 448,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,854.96 : 786,419.27 = 324,875.95 : x
  2. Step 2: Convert to fraction form
    569,854.96/786,419.27 = 324,875.95/x
  3. Step 3: Cross multiply
    569,854.96x = 786,419.27 × 324,875.95
  4. Step 4: Simplify right side
    569,854.96x = 255,488,707,439.56
  5. Step 5: Solve for x
    x = 255,488,707,439.56/569,854.96
  6. Step 6: Final answer
    x = 448,339.89

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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.