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Finding the Fourth Proportional to 296,045.37, 443,428.35 and 155,508.75

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Solution

The fourth proportional to 296,045.37, 443,428.35 and 155,508.75 is: 232,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,045.37 : 443,428.35 = 155,508.75 : x
  2. Step 2: Convert to fraction form
    296,045.37/443,428.35 = 155,508.75/x
  3. Step 3: Cross multiply
    296,045.37x = 443,428.35 × 155,508.75
  4. Step 4: Simplify right side
    296,045.37x = 68,956,988,423.06
  5. Step 5: Solve for x
    x = 68,956,988,423.06/296,045.37
  6. Step 6: Final answer
    x = 232,927.10

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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.