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Finding the Fourth Proportional to 584,527.88, 806,561.99 and 354,965.78

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Solution

The fourth proportional to 584,527.88, 806,561.99 and 354,965.78 is: 489,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,527.88 : 806,561.99 = 354,965.78 : x
  2. Step 2: Convert to fraction form
    584,527.88/806,561.99 = 354,965.78/x
  3. Step 3: Cross multiply
    584,527.88x = 806,561.99 × 354,965.78
  4. Step 4: Simplify right side
    584,527.88x = 286,301,907,471.40
  5. Step 5: Solve for x
    x = 286,301,907,471.40/584,527.88
  6. Step 6: Final answer
    x = 489,800.26

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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.