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Finding the Fourth Proportional to 583,612.74, 805,337.37 and 329,026.50

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Solution

The fourth proportional to 583,612.74, 805,337.37 and 329,026.50 is: 454,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,612.74 : 805,337.37 = 329,026.50 : x
  2. Step 2: Convert to fraction form
    583,612.74/805,337.37 = 329,026.50/x
  3. Step 3: Cross multiply
    583,612.74x = 805,337.37 × 329,026.50
  4. Step 4: Simplify right side
    583,612.74x = 264,977,336,170.31
  5. Step 5: Solve for x
    x = 264,977,336,170.31/583,612.74
  6. Step 6: Final answer
    x = 454,029.39

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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.