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Finding the Fourth Proportional to 602,500.74, 831,459.51 and 330,563.70

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Solution

The fourth proportional to 602,500.74, 831,459.51 and 330,563.70 is: 456,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,500.74 : 831,459.51 = 330,563.70 : x
  2. Step 2: Convert to fraction form
    602,500.74/831,459.51 = 330,563.70/x
  3. Step 3: Cross multiply
    602,500.74x = 831,459.51 × 330,563.70
  4. Step 4: Simplify right side
    602,500.74x = 274,850,332,025.79
  5. Step 5: Solve for x
    x = 274,850,332,025.79/602,500.74
  6. Step 6: Final answer
    x = 456,182.56

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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.