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Finding the Fourth Proportional to 566,253.65, 781,928.44 and 385,397.64

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Solution

The fourth proportional to 566,253.65, 781,928.44 and 385,397.64 is: 532,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,253.65 : 781,928.44 = 385,397.64 : x
  2. Step 2: Convert to fraction form
    566,253.65/781,928.44 = 385,397.64/x
  3. Step 3: Cross multiply
    566,253.65x = 781,928.44 × 385,397.64
  4. Step 4: Simplify right side
    566,253.65x = 301,353,374,461.39
  5. Step 5: Solve for x
    x = 301,353,374,461.39/566,253.65
  6. Step 6: Final answer
    x = 532,187.96

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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.