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Finding the Fourth Proportional to 583,858.88, 805,700.76 and 329,233.76

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Solution

The fourth proportional to 583,858.88, 805,700.76 and 329,233.76 is: 454,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,858.88 : 805,700.76 = 329,233.76 : x
  2. Step 2: Convert to fraction form
    583,858.88/805,700.76 = 329,233.76/x
  3. Step 3: Cross multiply
    583,858.88x = 805,700.76 × 329,233.76
  4. Step 4: Simplify right side
    583,858.88x = 265,263,890,649.66
  5. Step 5: Solve for x
    x = 265,263,890,649.66/583,858.88
  6. Step 6: Final answer
    x = 454,328.78

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Double scale
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Similar ratio
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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.