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Finding the Fourth Proportional to 619,073.83, 854,330.79 and 360,943.57

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Solution

The fourth proportional to 619,073.83, 854,330.79 and 360,943.57 is: 498,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,073.83 : 854,330.79 = 360,943.57 : x
  2. Step 2: Convert to fraction form
    619,073.83/854,330.79 = 360,943.57/x
  3. Step 3: Cross multiply
    619,073.83x = 854,330.79 × 360,943.57
  4. Step 4: Simplify right side
    619,073.83x = 308,365,205,303.52
  5. Step 5: Solve for x
    x = 308,365,205,303.52/619,073.83
  6. Step 6: Final answer
    x = 498,107.32

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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.