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Finding the Fourth Proportional to 400,960.80, 602,024.40 and 301,816.80

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Solution

The fourth proportional to 400,960.80, 602,024.40 and 301,816.80 is: 453,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,960.80 : 602,024.40 = 301,816.80 : x
  2. Step 2: Convert to fraction form
    400,960.80/602,024.40 = 301,816.80/x
  3. Step 3: Cross multiply
    400,960.80x = 602,024.40 × 301,816.80
  4. Step 4: Simplify right side
    400,960.80x = 181,701,077,929.92
  5. Step 5: Solve for x
    x = 181,701,077,929.92/400,960.80
  6. Step 6: Final answer
    x = 453,164.19

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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.