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Finding the Fourth Proportional to 546,774.20, 820,161.30 and 546,774.20

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Solution

The fourth proportional to 546,774.20, 820,161.30 and 546,774.20 is: 820,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,774.20 : 820,161.30 = 546,774.20 : x
  2. Step 2: Convert to fraction form
    546,774.20/820,161.30 = 546,774.20/x
  3. Step 3: Cross multiply
    546,774.20x = 820,161.30 × 546,774.20
  4. Step 4: Simplify right side
    546,774.20x = 448,443,038,678.46
  5. Step 5: Solve for x
    x = 448,443,038,678.46/546,774.20
  6. Step 6: Final answer
    x = 820,161.30

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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.