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Finding the Fourth Proportional to 544,008.80, 816,013.20 and 507,144.80

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Solution

The fourth proportional to 544,008.80, 816,013.20 and 507,144.80 is: 760,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,008.80 : 816,013.20 = 507,144.80 : x
  2. Step 2: Convert to fraction form
    544,008.80/816,013.20 = 507,144.80/x
  3. Step 3: Cross multiply
    544,008.80x = 816,013.20 × 507,144.80
  4. Step 4: Simplify right side
    544,008.80x = 413,836,851,111.36
  5. Step 5: Solve for x
    x = 413,836,851,111.36/544,008.80
  6. Step 6: Final answer
    x = 760,717.20

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Double scale
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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.