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Finding the Fourth Proportional to 346,577.40, 519,866.10 and 109,938.60

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Solution

The fourth proportional to 346,577.40, 519,866.10 and 109,938.60 is: 164,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,577.40 : 519,866.10 = 109,938.60 : x
  2. Step 2: Convert to fraction form
    346,577.40/519,866.10 = 109,938.60/x
  3. Step 3: Cross multiply
    346,577.40x = 519,866.10 × 109,938.60
  4. Step 4: Simplify right side
    346,577.40x = 57,153,351,221.46
  5. Step 5: Solve for x
    x = 57,153,351,221.46/346,577.40
  6. Step 6: Final answer
    x = 164,907.90

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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.