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Finding the Fourth Proportional to 341,578.16, 512,368.74 and 141,898.38

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Solution

The fourth proportional to 341,578.16, 512,368.74 and 141,898.38 is: 212,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,578.16 : 512,368.74 = 141,898.38 : x
  2. Step 2: Convert to fraction form
    341,578.16/512,368.74 = 141,898.38/x
  3. Step 3: Cross multiply
    341,578.16x = 512,368.74 × 141,898.38
  4. Step 4: Simplify right side
    341,578.16x = 72,704,294,168.64
  5. Step 5: Solve for x
    x = 72,704,294,168.64/341,578.16
  6. Step 6: Final answer
    x = 212,848.19

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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.