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Finding the Fourth Proportional to 608,700.60, 911,301.30 and 372,504.60

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Solution

The fourth proportional to 608,700.60, 911,301.30 and 372,504.60 is: 557,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,700.60 : 911,301.30 = 372,504.60 : x
  2. Step 2: Convert to fraction form
    608,700.60/911,301.30 = 372,504.60/x
  3. Step 3: Cross multiply
    608,700.60x = 911,301.30 × 372,504.60
  4. Step 4: Simplify right side
    608,700.60x = 339,463,926,235.98
  5. Step 5: Solve for x
    x = 339,463,926,235.98/608,700.60
  6. Step 6: Final answer
    x = 557,686.20

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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.