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Finding the Fourth Proportional to 453,486.65, 679,994.67 and 133,597.00

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Solution

The fourth proportional to 453,486.65, 679,994.67 and 133,597.00 is: 200,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,486.65 : 679,994.67 = 133,597.00 : x
  2. Step 2: Convert to fraction form
    453,486.65/679,994.67 = 133,597.00/x
  3. Step 3: Cross multiply
    453,486.65x = 679,994.67 × 133,597.00
  4. Step 4: Simplify right side
    453,486.65x = 90,845,244,528.02
  5. Step 5: Solve for x
    x = 90,845,244,528.02/453,486.65
  6. Step 6: Final answer
    x = 200,326.17

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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.