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Finding the Fourth Proportional to 559,422.15, 772,002.50 and 304,773.33

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Solution

The fourth proportional to 559,422.15, 772,002.50 and 304,773.33 is: 420,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,422.15 : 772,002.50 = 304,773.33 : x
  2. Step 2: Convert to fraction form
    559,422.15/772,002.50 = 304,773.33/x
  3. Step 3: Cross multiply
    559,422.15x = 772,002.50 × 304,773.33
  4. Step 4: Simplify right side
    559,422.15x = 235,285,774,064.47
  5. Step 5: Solve for x
    x = 235,285,774,064.47/559,422.15
  6. Step 6: Final answer
    x = 420,587.16

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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.