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Finding the Fourth Proportional to 546,063.40, 819,095.10 and 191,040.40

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Solution

The fourth proportional to 546,063.40, 819,095.10 and 191,040.40 is: 286,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,063.40 : 819,095.10 = 191,040.40 : x
  2. Step 2: Convert to fraction form
    546,063.40/819,095.10 = 191,040.40/x
  3. Step 3: Cross multiply
    546,063.40x = 819,095.10 × 191,040.40
  4. Step 4: Simplify right side
    546,063.40x = 156,480,255,542.04
  5. Step 5: Solve for x
    x = 156,480,255,542.04/546,063.40
  6. Step 6: Final answer
    x = 286,560.60

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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.