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Finding the Fourth Proportional to 559,443.58, 772,032.22 and 304,794.77

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Solution

The fourth proportional to 559,443.58, 772,032.22 and 304,794.77 is: 420,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,443.58 : 772,032.22 = 304,794.77 : x
  2. Step 2: Convert to fraction form
    559,443.58/772,032.22 = 304,794.77/x
  3. Step 3: Cross multiply
    559,443.58x = 772,032.22 × 304,794.77
  4. Step 4: Simplify right side
    559,443.58x = 235,311,378,305.34
  5. Step 5: Solve for x
    x = 235,311,378,305.34/559,443.58
  6. Step 6: Final answer
    x = 420,616.82

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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.