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Finding the Fourth Proportional to 404,812.80, 607,219.20 and 124,329.60

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Solution

The fourth proportional to 404,812.80, 607,219.20 and 124,329.60 is: 186,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,812.80 : 607,219.20 = 124,329.60 : x
  2. Step 2: Convert to fraction form
    404,812.80/607,219.20 = 124,329.60/x
  3. Step 3: Cross multiply
    404,812.80x = 607,219.20 × 124,329.60
  4. Step 4: Simplify right side
    404,812.80x = 75,495,320,248.32
  5. Step 5: Solve for x
    x = 75,495,320,248.32/404,812.80
  6. Step 6: Final answer
    x = 186,494.40

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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.