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Finding the Fourth Proportional to 346,646.76, 519,866.82 and 146,963.94

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Solution

The fourth proportional to 346,646.76, 519,866.82 and 146,963.94 is: 220,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,646.76 : 519,866.82 = 146,963.94 : x
  2. Step 2: Convert to fraction form
    346,646.76/519,866.82 = 146,963.94/x
  3. Step 3: Cross multiply
    346,646.76x = 519,866.82 × 146,963.94
  4. Step 4: Simplify right side
    346,646.76x = 76,401,676,142.47
  5. Step 5: Solve for x
    x = 76,401,676,142.47/346,646.76
  6. Step 6: Final answer
    x = 220,402.11

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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.