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Finding the Fourth Proportional to 602,222.40, 903,335.22 and 203,143.50

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Solution

The fourth proportional to 602,222.40, 903,335.22 and 203,143.50 is: 304,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,222.40 : 903,335.22 = 203,143.50 : x
  2. Step 2: Convert to fraction form
    602,222.40/903,335.22 = 203,143.50/x
  3. Step 3: Cross multiply
    602,222.40x = 903,335.22 × 203,143.50
  4. Step 4: Simplify right side
    602,222.40x = 183,506,678,264.07
  5. Step 5: Solve for x
    x = 183,506,678,264.07/602,222.40
  6. Step 6: Final answer
    x = 304,715.80

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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.