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Finding the Fourth Proportional to 412,501.80, 618,752.70 and 246,613.80

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Solution

The fourth proportional to 412,501.80, 618,752.70 and 246,613.80 is: 369,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,501.80 : 618,752.70 = 246,613.80 : x
  2. Step 2: Convert to fraction form
    412,501.80/618,752.70 = 246,613.80/x
  3. Step 3: Cross multiply
    412,501.80x = 618,752.70 × 246,613.80
  4. Step 4: Simplify right side
    412,501.80x = 152,592,954,607.26
  5. Step 5: Solve for x
    x = 152,592,954,607.26/412,501.80
  6. Step 6: Final answer
    x = 369,920.70

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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.