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Finding the Fourth Proportional to 354,130.61, 488,686.01 and 192,982.22

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Solution

The fourth proportional to 354,130.61, 488,686.01 and 192,982.22 is: 266,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,130.61 : 488,686.01 = 192,982.22 : x
  2. Step 2: Convert to fraction form
    354,130.61/488,686.01 = 192,982.22/x
  3. Step 3: Cross multiply
    354,130.61x = 488,686.01 × 192,982.22
  4. Step 4: Simplify right side
    354,130.61x = 94,307,707,684.40
  5. Step 5: Solve for x
    x = 94,307,707,684.40/354,130.61
  6. Step 6: Final answer
    x = 266,307.70

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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.