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Finding the Fourth Proportional to 584,325.42, 806,352.72 and 329,700.30

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Solution

The fourth proportional to 584,325.42, 806,352.72 and 329,700.30 is: 454,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,325.42 : 806,352.72 = 329,700.30 : x
  2. Step 2: Convert to fraction form
    584,325.42/806,352.72 = 329,700.30/x
  3. Step 3: Cross multiply
    584,325.42x = 806,352.72 × 329,700.30
  4. Step 4: Simplify right side
    584,325.42x = 265,854,733,689.82
  5. Step 5: Solve for x
    x = 265,854,733,689.82/584,325.42
  6. Step 6: Final answer
    x = 454,977.18

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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.