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Finding the Fourth Proportional to 566,295.86, 781,472.58 and 321,325.22

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Solution

The fourth proportional to 566,295.86, 781,472.58 and 321,325.22 is: 443,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,295.86 : 781,472.58 = 321,325.22 : x
  2. Step 2: Convert to fraction form
    566,295.86/781,472.58 = 321,325.22/x
  3. Step 3: Cross multiply
    566,295.86x = 781,472.58 × 321,325.22
  4. Step 4: Simplify right side
    566,295.86x = 251,106,848,692.47
  5. Step 5: Solve for x
    x = 251,106,848,692.47/566,295.86
  6. Step 6: Final answer
    x = 443,419.89

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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.