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Finding the Fourth Proportional to 602,971.81, 904,478.03 and 303,289

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Solution

The fourth proportional to 602,971.81, 904,478.03 and 303,289 is: 454,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,971.81 : 904,478.03 = 303,289 : x
  2. Step 2: Convert to fraction form
    602,971.81/904,478.03 = 303,289/x
  3. Step 3: Cross multiply
    602,971.81x = 904,478.03 × 303,289
  4. Step 4: Simplify right side
    602,971.81x = 274,318,237,240.67
  5. Step 5: Solve for x
    x = 274,318,237,240.67/602,971.81
  6. Step 6: Final answer
    x = 454,943.72

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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.