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Finding the Fourth Proportional to 545,873.44, 753,294 and 304,155.04

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Solution

The fourth proportional to 545,873.44, 753,294 and 304,155.04 is: 419,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,873.44 : 753,294 = 304,155.04 : x
  2. Step 2: Convert to fraction form
    545,873.44/753,294 = 304,155.04/x
  3. Step 3: Cross multiply
    545,873.44x = 753,294 × 304,155.04
  4. Step 4: Simplify right side
    545,873.44x = 229,118,166,701.76
  5. Step 5: Solve for x
    x = 229,118,166,701.76/545,873.44
  6. Step 6: Final answer
    x = 419,727.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.