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Finding the Fourth Proportional to 544,005.40, 816,008.10 and 532,946.20

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Solution

The fourth proportional to 544,005.40, 816,008.10 and 532,946.20 is: 799,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,005.40 : 816,008.10 = 532,946.20 : x
  2. Step 2: Convert to fraction form
    544,005.40/816,008.10 = 532,946.20/x
  3. Step 3: Cross multiply
    544,005.40x = 816,008.10 × 532,946.20
  4. Step 4: Simplify right side
    544,005.40x = 434,888,416,064.22
  5. Step 5: Solve for x
    x = 434,888,416,064.22/544,005.40
  6. Step 6: Final answer
    x = 799,419.30

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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.