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Finding the Fourth Proportional to 540,021.02, 743,926 and 462,248.57

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Solution

The fourth proportional to 540,021.02, 743,926 and 462,248.57 is: 636,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,021.02 : 743,926 = 462,248.57 : x
  2. Step 2: Convert to fraction form
    540,021.02/743,926 = 462,248.57/x
  3. Step 3: Cross multiply
    540,021.02x = 743,926 × 462,248.57
  4. Step 4: Simplify right side
    540,021.02x = 343,878,729,685.82
  5. Step 5: Solve for x
    x = 343,878,729,685.82/540,021.02
  6. Step 6: Final answer
    x = 636,787.67

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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.