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Finding the Fourth Proportional to 346,897.92, 519,941.44 and 147,150.72

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Solution

The fourth proportional to 346,897.92, 519,941.44 and 147,150.72 is: 220,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,897.92 : 519,941.44 = 147,150.72 : x
  2. Step 2: Convert to fraction form
    346,897.92/519,941.44 = 147,150.72/x
  3. Step 3: Cross multiply
    346,897.92x = 519,941.44 × 147,150.72
  4. Step 4: Simplify right side
    346,897.92x = 76,509,757,253.84
  5. Step 5: Solve for x
    x = 76,509,757,253.84/346,897.92
  6. Step 6: Final answer
    x = 220,554.10

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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.