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Finding the Fourth Proportional to 584,655.64, 806,827.44 and 316,383.64

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Solution

The fourth proportional to 584,655.64, 806,827.44 and 316,383.64 is: 436,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,655.64 : 806,827.44 = 316,383.64 : x
  2. Step 2: Convert to fraction form
    584,655.64/806,827.44 = 316,383.64/x
  3. Step 3: Cross multiply
    584,655.64x = 806,827.44 × 316,383.64
  4. Step 4: Simplify right side
    584,655.64x = 255,267,002,319.08
  5. Step 5: Solve for x
    x = 255,267,002,319.08/584,655.64
  6. Step 6: Final answer
    x = 436,610.86

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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.