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Finding the Fourth Proportional to 602,387.96, 903,005.69 and 223,206.81

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Solution

The fourth proportional to 602,387.96, 903,005.69 and 223,206.81 is: 334,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,387.96 : 903,005.69 = 223,206.81 : x
  2. Step 2: Convert to fraction form
    602,387.96/903,005.69 = 223,206.81/x
  3. Step 3: Cross multiply
    602,387.96x = 903,005.69 × 223,206.81
  4. Step 4: Simplify right side
    602,387.96x = 201,557,024,476.87
  5. Step 5: Solve for x
    x = 201,557,024,476.87/602,387.96
  6. Step 6: Final answer
    x = 334,596.70

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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.