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Finding the Fourth Proportional to 564,946.03, 847,420.41 and 138,483.76

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Solution

The fourth proportional to 564,946.03, 847,420.41 and 138,483.76 is: 207,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,946.03 : 847,420.41 = 138,483.76 : x
  2. Step 2: Convert to fraction form
    564,946.03/847,420.41 = 138,483.76/x
  3. Step 3: Cross multiply
    564,946.03x = 847,420.41 × 138,483.76
  4. Step 4: Simplify right side
    564,946.03x = 117,353,964,677.54
  5. Step 5: Solve for x
    x = 117,353,964,677.54/564,946.03
  6. Step 6: Final answer
    x = 207,725.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.