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Finding the Fourth Proportional to 584,167.80, 806,157.72 and 326,069.40

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Solution

The fourth proportional to 584,167.80, 806,157.72 and 326,069.40 is: 449,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,167.80 : 806,157.72 = 326,069.40 : x
  2. Step 2: Convert to fraction form
    584,167.80/806,157.72 = 326,069.40/x
  3. Step 3: Cross multiply
    584,167.80x = 806,157.72 × 326,069.40
  4. Step 4: Simplify right side
    584,167.80x = 262,863,364,065.77
  5. Step 5: Solve for x
    x = 262,863,364,065.77/584,167.80
  6. Step 6: Final answer
    x = 449,979.21

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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.