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Finding the Fourth Proportional to 602,425.12, 903,061.68 and 223,244.32

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Solution

The fourth proportional to 602,425.12, 903,061.68 and 223,244.32 is: 334,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,425.12 : 903,061.68 = 223,244.32 : x
  2. Step 2: Convert to fraction form
    602,425.12/903,061.68 = 223,244.32/x
  3. Step 3: Cross multiply
    602,425.12x = 903,061.68 × 223,244.32
  4. Step 4: Simplify right side
    602,425.12x = 201,603,390,669.66
  5. Step 5: Solve for x
    x = 201,603,390,669.66/602,425.12
  6. Step 6: Final answer
    x = 334,653.03

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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.