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Finding the Fourth Proportional to 713,805.16, 1,070,806.74 and 240,625.84

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Solution

The fourth proportional to 713,805.16, 1,070,806.74 and 240,625.84 is: 360,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,805.16 : 1,070,806.74 = 240,625.84 : x
  2. Step 2: Convert to fraction form
    713,805.16/1,070,806.74 = 240,625.84/x
  3. Step 3: Cross multiply
    713,805.16x = 1,070,806.74 × 240,625.84
  4. Step 4: Simplify right side
    713,805.16x = 257,663,771,290.16
  5. Step 5: Solve for x
    x = 257,663,771,290.16/713,805.16
  6. Step 6: Final answer
    x = 360,972.13

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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.