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Finding the Fourth Proportional to 476,088.98, 656,991.14 and 266,534.30

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Solution

The fourth proportional to 476,088.98, 656,991.14 and 266,534.30 is: 367,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,088.98 : 656,991.14 = 266,534.30 : x
  2. Step 2: Convert to fraction form
    476,088.98/656,991.14 = 266,534.30/x
  3. Step 3: Cross multiply
    476,088.98x = 656,991.14 × 266,534.30
  4. Step 4: Simplify right side
    476,088.98x = 175,110,673,606.10
  5. Step 5: Solve for x
    x = 175,110,673,606.10/476,088.98
  6. Step 6: Final answer
    x = 367,810.81

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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.