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Finding the Fourth Proportional to 354,666.60, 489,446.96 and 193,526.01

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Solution

The fourth proportional to 354,666.60, 489,446.96 and 193,526.01 is: 267,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,666.60 : 489,446.96 = 193,526.01 : x
  2. Step 2: Convert to fraction form
    354,666.60/489,446.96 = 193,526.01/x
  3. Step 3: Cross multiply
    354,666.60x = 489,446.96 × 193,526.01
  4. Step 4: Simplify right side
    354,666.60x = 94,720,716,307.80
  5. Step 5: Solve for x
    x = 94,720,716,307.80/354,666.60
  6. Step 6: Final answer
    x = 267,069.74

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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.