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Finding the Fourth Proportional to 346,503.80, 519,796.20 and 109,870.40

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Solution

The fourth proportional to 346,503.80, 519,796.20 and 109,870.40 is: 164,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,503.80 : 519,796.20 = 109,870.40 : x
  2. Step 2: Convert to fraction form
    346,503.80/519,796.20 = 109,870.40/x
  3. Step 3: Cross multiply
    346,503.80x = 519,796.20 × 109,870.40
  4. Step 4: Simplify right side
    346,503.80x = 57,110,216,412.48
  5. Step 5: Solve for x
    x = 57,110,216,412.48/346,503.80
  6. Step 6: Final answer
    x = 164,818.44

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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.