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Finding the Fourth Proportional to 540,602.38, 745,867.56 and 377,254.54

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Solution

The fourth proportional to 540,602.38, 745,867.56 and 377,254.54 is: 520,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,602.38 : 745,867.56 = 377,254.54 : x
  2. Step 2: Convert to fraction form
    540,602.38/745,867.56 = 377,254.54/x
  3. Step 3: Cross multiply
    540,602.38x = 745,867.56 × 377,254.54
  4. Step 4: Simplify right side
    540,602.38x = 281,381,923,248.72
  5. Step 5: Solve for x
    x = 281,381,923,248.72/540,602.38
  6. Step 6: Final answer
    x = 520,497.01

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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.