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Finding the Fourth Proportional to 491,547.69, 737,315.36 and 268,330.22

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Solution

The fourth proportional to 491,547.69, 737,315.36 and 268,330.22 is: 402,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,547.69 : 737,315.36 = 268,330.22 : x
  2. Step 2: Convert to fraction form
    491,547.69/737,315.36 = 268,330.22/x
  3. Step 3: Cross multiply
    491,547.69x = 737,315.36 × 268,330.22
  4. Step 4: Simplify right side
    491,547.69x = 197,843,991,501.12
  5. Step 5: Solve for x
    x = 197,843,991,501.12/491,547.69
  6. Step 6: Final answer
    x = 402,491.96

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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.