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Finding the Fourth Proportional to 535,152.05, 801,153.43 and 357,217.73

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Solution

The fourth proportional to 535,152.05, 801,153.43 and 357,217.73 is: 534,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,152.05 : 801,153.43 = 357,217.73 : x
  2. Step 2: Convert to fraction form
    535,152.05/801,153.43 = 357,217.73/x
  3. Step 3: Cross multiply
    535,152.05x = 801,153.43 × 357,217.73
  4. Step 4: Simplify right side
    535,152.05x = 286,186,204,747.50
  5. Step 5: Solve for x
    x = 286,186,204,747.50/535,152.05
  6. Step 6: Final answer
    x = 534,775.50

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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.