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Finding the Fourth Proportional to 442,090.40, 610,098.72 and 251,092.40

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Solution

The fourth proportional to 442,090.40, 610,098.72 and 251,092.40 is: 346,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,090.40 : 610,098.72 = 251,092.40 : x
  2. Step 2: Convert to fraction form
    442,090.40/610,098.72 = 251,092.40/x
  3. Step 3: Cross multiply
    442,090.40x = 610,098.72 × 251,092.40
  4. Step 4: Simplify right side
    442,090.40x = 153,191,151,841.73
  5. Step 5: Solve for x
    x = 153,191,151,841.73/442,090.40
  6. Step 6: Final answer
    x = 346,515.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.