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Finding the Fourth Proportional to 613,595.29, 920,455.77 and 234,834.56

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Solution

The fourth proportional to 613,595.29, 920,455.77 and 234,834.56 is: 352,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,595.29 : 920,455.77 = 234,834.56 : x
  2. Step 2: Convert to fraction form
    613,595.29/920,455.77 = 234,834.56/x
  3. Step 3: Cross multiply
    613,595.29x = 920,455.77 × 234,834.56
  4. Step 4: Simplify right side
    613,595.29x = 216,154,825,747.41
  5. Step 5: Solve for x
    x = 216,154,825,747.41/613,595.29
  6. Step 6: Final answer
    x = 352,275.89

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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.