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Finding the Fourth Proportional to 544,057.20, 816,085.80 and 538,808.40

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Solution

The fourth proportional to 544,057.20, 816,085.80 and 538,808.40 is: 808,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,057.20 : 816,085.80 = 538,808.40 : x
  2. Step 2: Convert to fraction form
    544,057.20/816,085.80 = 538,808.40/x
  3. Step 3: Cross multiply
    544,057.20x = 816,085.80 × 538,808.40
  4. Step 4: Simplify right side
    544,057.20x = 439,713,884,160.72
  5. Step 5: Solve for x
    x = 439,713,884,160.72/544,057.20
  6. Step 6: Final answer
    x = 808,212.60

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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.