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Finding the Fourth Proportional to 584,756.64, 806,919.12 and 330,132.96

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Solution

The fourth proportional to 584,756.64, 806,919.12 and 330,132.96 is: 455,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,756.64 : 806,919.12 = 330,132.96 : x
  2. Step 2: Convert to fraction form
    584,756.64/806,919.12 = 330,132.96/x
  3. Step 3: Cross multiply
    584,756.64x = 806,919.12 × 330,132.96
  4. Step 4: Simplify right side
    584,756.64x = 266,390,597,566.20
  5. Step 5: Solve for x
    x = 266,390,597,566.20/584,756.64
  6. Step 6: Final answer
    x = 455,558.05

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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.