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Finding the Fourth Proportional to 492,973.52, 680,303.44 and 266,619

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Solution

The fourth proportional to 492,973.52, 680,303.44 and 266,619 is: 367,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,973.52 : 680,303.44 = 266,619 : x
  2. Step 2: Convert to fraction form
    492,973.52/680,303.44 = 266,619/x
  3. Step 3: Cross multiply
    492,973.52x = 680,303.44 × 266,619
  4. Step 4: Simplify right side
    492,973.52x = 181,381,822,869.36
  5. Step 5: Solve for x
    x = 181,381,822,869.36/492,973.52
  6. Step 6: Final answer
    x = 367,934.21

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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.