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Finding the Fourth Proportional to 540,266.01, 745,611.98 and 298,595.76

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Solution

The fourth proportional to 540,266.01, 745,611.98 and 298,595.76 is: 412,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,266.01 : 745,611.98 = 298,595.76 : x
  2. Step 2: Convert to fraction form
    540,266.01/745,611.98 = 298,595.76/x
  3. Step 3: Cross multiply
    540,266.01x = 745,611.98 × 298,595.76
  4. Step 4: Simplify right side
    540,266.01x = 222,636,575,833.21
  5. Step 5: Solve for x
    x = 222,636,575,833.21/540,266.01
  6. Step 6: Final answer
    x = 412,086.96

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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.