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Finding the Fourth Proportional to 540,265.01, 745,610.60 and 298,594.76

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Solution

The fourth proportional to 540,265.01, 745,610.60 and 298,594.76 is: 412,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,265.01 : 745,610.60 = 298,594.76 : x
  2. Step 2: Convert to fraction form
    540,265.01/745,610.60 = 298,594.76/x
  3. Step 3: Cross multiply
    540,265.01x = 745,610.60 × 298,594.76
  4. Step 4: Simplify right side
    540,265.01x = 222,635,415,178.89
  5. Step 5: Solve for x
    x = 222,635,415,178.89/540,265.01
  6. Step 6: Final answer
    x = 412,085.57

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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.