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Finding the Fourth Proportional to 486,045.58, 670,727.22 and 265,274.42

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Solution

The fourth proportional to 486,045.58, 670,727.22 and 265,274.42 is: 366,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,045.58 : 670,727.22 = 265,274.42 : x
  2. Step 2: Convert to fraction form
    486,045.58/670,727.22 = 265,274.42/x
  3. Step 3: Cross multiply
    486,045.58x = 670,727.22 × 265,274.42
  4. Step 4: Simplify right side
    486,045.58x = 177,926,774,263.71
  5. Step 5: Solve for x
    x = 177,926,774,263.71/486,045.58
  6. Step 6: Final answer
    x = 366,070.14

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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.