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Finding the Fourth Proportional to 435,701.40, 653,552.10 and 365,717.40

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Solution

The fourth proportional to 435,701.40, 653,552.10 and 365,717.40 is: 548,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,701.40 : 653,552.10 = 365,717.40 : x
  2. Step 2: Convert to fraction form
    435,701.40/653,552.10 = 365,717.40/x
  3. Step 3: Cross multiply
    435,701.40x = 653,552.10 × 365,717.40
  4. Step 4: Simplify right side
    435,701.40x = 239,015,374,776.54
  5. Step 5: Solve for x
    x = 239,015,374,776.54/435,701.40
  6. Step 6: Final answer
    x = 548,576.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.