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Finding the Fourth Proportional to 404,803.60, 607,205.40 and 124,334.80

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Solution

The fourth proportional to 404,803.60, 607,205.40 and 124,334.80 is: 186,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,803.60 : 607,205.40 = 124,334.80 : x
  2. Step 2: Convert to fraction form
    404,803.60/607,205.40 = 124,334.80/x
  3. Step 3: Cross multiply
    404,803.60x = 607,205.40 × 124,334.80
  4. Step 4: Simplify right side
    404,803.60x = 75,496,761,967.92
  5. Step 5: Solve for x
    x = 75,496,761,967.92/404,803.60
  6. Step 6: Final answer
    x = 186,502.20

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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.