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Finding the Fourth Proportional to 544,534.20, 817,676.10 and 411,564.60

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Solution

The fourth proportional to 544,534.20, 817,676.10 and 411,564.60 is: 618,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,534.20 : 817,676.10 = 411,564.60 : x
  2. Step 2: Convert to fraction form
    544,534.20/817,676.10 = 411,564.60/x
  3. Step 3: Cross multiply
    544,534.20x = 817,676.10 × 411,564.60
  4. Step 4: Simplify right side
    544,534.20x = 336,526,537,026.06
  5. Step 5: Solve for x
    x = 336,526,537,026.06/544,534.20
  6. Step 6: Final answer
    x = 618,008.08

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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.