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Finding the Fourth Proportional to 404,777.50, 607,195.42 and 155,459.50

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Solution

The fourth proportional to 404,777.50, 607,195.42 and 155,459.50 is: 233,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,777.50 : 607,195.42 = 155,459.50 : x
  2. Step 2: Convert to fraction form
    404,777.50/607,195.42 = 155,459.50/x
  3. Step 3: Cross multiply
    404,777.50x = 607,195.42 × 155,459.50
  4. Step 4: Simplify right side
    404,777.50x = 94,394,296,395.49
  5. Step 5: Solve for x
    x = 94,394,296,395.49/404,777.50
  6. Step 6: Final answer
    x = 233,200.45

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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.