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Finding the Fourth Proportional to 346,694.40, 520,041.60 and 110,055.60

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Solution

The fourth proportional to 346,694.40, 520,041.60 and 110,055.60 is: 165,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,694.40 : 520,041.60 = 110,055.60 : x
  2. Step 2: Convert to fraction form
    346,694.40/520,041.60 = 110,055.60/x
  3. Step 3: Cross multiply
    346,694.40x = 520,041.60 × 110,055.60
  4. Step 4: Simplify right side
    346,694.40x = 57,233,490,312.96
  5. Step 5: Solve for x
    x = 57,233,490,312.96/346,694.40
  6. Step 6: Final answer
    x = 165,083.40

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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.