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Finding the Fourth Proportional to 651,576.48, 898,250.40 and 479,189.76

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Solution

The fourth proportional to 651,576.48, 898,250.40 and 479,189.76 is: 660,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,576.48 : 898,250.40 = 479,189.76 : x
  2. Step 2: Convert to fraction form
    651,576.48/898,250.40 = 479,189.76/x
  3. Step 3: Cross multiply
    651,576.48x = 898,250.40 × 479,189.76
  4. Step 4: Simplify right side
    651,576.48x = 430,432,393,595.90
  5. Step 5: Solve for x
    x = 430,432,393,595.90/651,576.48
  6. Step 6: Final answer
    x = 660,601.49

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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.