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Finding the Fourth Proportional to 544,073.80, 816,110.70 and 292,131.40

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Solution

The fourth proportional to 544,073.80, 816,110.70 and 292,131.40 is: 438,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,073.80 : 816,110.70 = 292,131.40 : x
  2. Step 2: Convert to fraction form
    544,073.80/816,110.70 = 292,131.40/x
  3. Step 3: Cross multiply
    544,073.80x = 816,110.70 × 292,131.40
  4. Step 4: Simplify right side
    544,073.80x = 238,411,561,345.98
  5. Step 5: Solve for x
    x = 238,411,561,345.98/544,073.80
  6. Step 6: Final answer
    x = 438,197.10

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Similar ratio
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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.