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Finding the Fourth Proportional to 602,223.40, 903,336.72 and 203,144.50

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Solution

The fourth proportional to 602,223.40, 903,336.72 and 203,144.50 is: 304,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,223.40 : 903,336.72 = 203,144.50 : x
  2. Step 2: Convert to fraction form
    602,223.40/903,336.72 = 203,144.50/x
  3. Step 3: Cross multiply
    602,223.40x = 903,336.72 × 203,144.50
  4. Step 4: Simplify right side
    602,223.40x = 183,507,886,316.04
  5. Step 5: Solve for x
    x = 183,507,886,316.04/602,223.40
  6. Step 6: Final answer
    x = 304,717.30

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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.