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Finding the Fourth Proportional to 404,122.60, 607,350.30 and 397,124.20

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Solution

The fourth proportional to 404,122.60, 607,350.30 and 397,124.20 is: 596,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,122.60 : 607,350.30 = 397,124.20 : x
  2. Step 2: Convert to fraction form
    404,122.60/607,350.30 = 397,124.20/x
  3. Step 3: Cross multiply
    404,122.60x = 607,350.30 × 397,124.20
  4. Step 4: Simplify right side
    404,122.60x = 241,193,502,007.26
  5. Step 5: Solve for x
    x = 241,193,502,007.26/404,122.60
  6. Step 6: Final answer
    x = 596,832.50

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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.