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Finding the Fourth Proportional to 410,671.80, 616,007.70 and 144,430.20

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Solution

The fourth proportional to 410,671.80, 616,007.70 and 144,430.20 is: 216,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,671.80 : 616,007.70 = 144,430.20 : x
  2. Step 2: Convert to fraction form
    410,671.80/616,007.70 = 144,430.20/x
  3. Step 3: Cross multiply
    410,671.80x = 616,007.70 × 144,430.20
  4. Step 4: Simplify right side
    410,671.80x = 88,970,115,312.54
  5. Step 5: Solve for x
    x = 88,970,115,312.54/410,671.80
  6. Step 6: Final answer
    x = 216,645.30

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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.