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Finding the Fourth Proportional to 583,675.70, 805,484.78 and 329,026.88

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Solution

The fourth proportional to 583,675.70, 805,484.78 and 329,026.88 is: 454,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,675.70 : 805,484.78 = 329,026.88 : x
  2. Step 2: Convert to fraction form
    583,675.70/805,484.78 = 329,026.88/x
  3. Step 3: Cross multiply
    583,675.70x = 805,484.78 × 329,026.88
  4. Step 4: Simplify right side
    583,675.70x = 265,026,138,378.33
  5. Step 5: Solve for x
    x = 265,026,138,378.33/583,675.70
  6. Step 6: Final answer
    x = 454,064.03

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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.