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Finding the Fourth Proportional to 585,885.68, 879,091.08 and 270,173.36

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Solution

The fourth proportional to 585,885.68, 879,091.08 and 270,173.36 is: 405,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,885.68 : 879,091.08 = 270,173.36 : x
  2. Step 2: Convert to fraction form
    585,885.68/879,091.08 = 270,173.36/x
  3. Step 3: Cross multiply
    585,885.68x = 879,091.08 × 270,173.36
  4. Step 4: Simplify right side
    585,885.68x = 237,506,990,829.63
  5. Step 5: Solve for x
    x = 237,506,990,829.63/585,885.68
  6. Step 6: Final answer
    x = 405,381.12

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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.