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Finding the Fourth Proportional to 346,533.93, 478,165.95 and 193,553.28

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Solution

The fourth proportional to 346,533.93, 478,165.95 and 193,553.28 is: 267,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,533.93 : 478,165.95 = 193,553.28 : x
  2. Step 2: Convert to fraction form
    346,533.93/478,165.95 = 193,553.28/x
  3. Step 3: Cross multiply
    346,533.93x = 478,165.95 × 193,553.28
  4. Step 4: Simplify right side
    346,533.93x = 92,550,588,006.82
  5. Step 5: Solve for x
    x = 92,550,588,006.82/346,533.93
  6. Step 6: Final answer
    x = 267,075.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.