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Finding the Fourth Proportional to 602,181.72, 903,010.14 and 202,715.28

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Solution

The fourth proportional to 602,181.72, 903,010.14 and 202,715.28 is: 303,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,181.72 : 903,010.14 = 202,715.28 : x
  2. Step 2: Convert to fraction form
    602,181.72/903,010.14 = 202,715.28/x
  3. Step 3: Cross multiply
    602,181.72x = 903,010.14 × 202,715.28
  4. Step 4: Simplify right side
    602,181.72x = 183,053,953,372.94
  5. Step 5: Solve for x
    x = 183,053,953,372.94/602,181.72
  6. Step 6: Final answer
    x = 303,984.57

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1.5x scale

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.