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Finding the Fourth Proportional to 354,601.04, 489,348.36 and 193,454.93

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Solution

The fourth proportional to 354,601.04, 489,348.36 and 193,454.93 is: 266,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,601.04 : 489,348.36 = 193,454.93 : x
  2. Step 2: Convert to fraction form
    354,601.04/489,348.36 = 193,454.93/x
  3. Step 3: Cross multiply
    354,601.04x = 489,348.36 × 193,454.93
  4. Step 4: Simplify right side
    354,601.04x = 94,666,853,952.79
  5. Step 5: Solve for x
    x = 94,666,853,952.79/354,601.04
  6. Step 6: Final answer
    x = 266,967.22

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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.