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Finding the Fourth Proportional to 402,004.76, 602,879.10 and 132,070.23

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Solution

The fourth proportional to 402,004.76, 602,879.10 and 132,070.23 is: 198,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,004.76 : 602,879.10 = 132,070.23 : x
  2. Step 2: Convert to fraction form
    402,004.76/602,879.10 = 132,070.23/x
  3. Step 3: Cross multiply
    402,004.76x = 602,879.10 × 132,070.23
  4. Step 4: Simplify right side
    402,004.76x = 79,622,380,903.93
  5. Step 5: Solve for x
    x = 79,622,380,903.93/402,004.76
  6. Step 6: Final answer
    x = 198,063.28

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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.