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Finding the Fourth Proportional to 546,097.20, 819,145.80 and 497,108.40

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Solution

The fourth proportional to 546,097.20, 819,145.80 and 497,108.40 is: 745,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,097.20 : 819,145.80 = 497,108.40 : x
  2. Step 2: Convert to fraction form
    546,097.20/819,145.80 = 497,108.40/x
  3. Step 3: Cross multiply
    546,097.20x = 819,145.80 × 497,108.40
  4. Step 4: Simplify right side
    546,097.20x = 407,204,258,004.72
  5. Step 5: Solve for x
    x = 407,204,258,004.72/546,097.20
  6. Step 6: Final answer
    x = 745,662.60

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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.