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Finding the Fourth Proportional to 360,330.40, 497,396.16 and 322,539.04

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Solution

The fourth proportional to 360,330.40, 497,396.16 and 322,539.04 is: 445,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,330.40 : 497,396.16 = 322,539.04 : x
  2. Step 2: Convert to fraction form
    360,330.40/497,396.16 = 322,539.04/x
  3. Step 3: Cross multiply
    360,330.40x = 497,396.16 × 322,539.04
  4. Step 4: Simplify right side
    360,330.40x = 160,429,679,946.09
  5. Step 5: Solve for x
    x = 160,429,679,946.09/360,330.40
  6. Step 6: Final answer
    x = 445,229.38

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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.