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Finding the Fourth Proportional to 480,973.06, 663,762.39 and 266,109.64

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Solution

The fourth proportional to 480,973.06, 663,762.39 and 266,109.64 is: 367,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,973.06 : 663,762.39 = 266,109.64 : x
  2. Step 2: Convert to fraction form
    480,973.06/663,762.39 = 266,109.64/x
  3. Step 3: Cross multiply
    480,973.06x = 663,762.39 × 266,109.64
  4. Step 4: Simplify right side
    480,973.06x = 176,633,570,648.44
  5. Step 5: Solve for x
    x = 176,633,570,648.44/480,973.06
  6. Step 6: Final answer
    x = 367,242.13

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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.