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Finding the Fourth Proportional to 404,734.68, 607,131.36 and 155,416.68

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Solution

The fourth proportional to 404,734.68, 607,131.36 and 155,416.68 is: 233,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,734.68 : 607,131.36 = 155,416.68 : x
  2. Step 2: Convert to fraction form
    404,734.68/607,131.36 = 155,416.68/x
  3. Step 3: Cross multiply
    404,734.68x = 607,131.36 × 155,416.68
  4. Step 4: Simplify right side
    404,734.68x = 94,358,340,295.08
  5. Step 5: Solve for x
    x = 94,358,340,295.08/404,734.68
  6. Step 6: Final answer
    x = 233,136.29

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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.