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Finding the Fourth Proportional to 588,047.40, 880,904.70 and 338,437.80

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Solution

The fourth proportional to 588,047.40, 880,904.70 and 338,437.80 is: 506,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,047.40 : 880,904.70 = 338,437.80 : x
  2. Step 2: Convert to fraction form
    588,047.40/880,904.70 = 338,437.80/x
  3. Step 3: Cross multiply
    588,047.40x = 880,904.70 × 338,437.80
  4. Step 4: Simplify right side
    588,047.40x = 298,131,448,677.66
  5. Step 5: Solve for x
    x = 298,131,448,677.66/588,047.40
  6. Step 6: Final answer
    x = 506,985.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.