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Finding the Fourth Proportional to 346,892.90, 520,388.55 and 107,026.79

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Solution

The fourth proportional to 346,892.90, 520,388.55 and 107,026.79 is: 160,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,892.90 : 520,388.55 = 107,026.79 : x
  2. Step 2: Convert to fraction form
    346,892.90/520,388.55 = 107,026.79/x
  3. Step 3: Cross multiply
    346,892.90x = 520,388.55 × 107,026.79
  4. Step 4: Simplify right side
    346,892.90x = 55,695,513,457.31
  5. Step 5: Solve for x
    x = 55,695,513,457.31/346,892.90
  6. Step 6: Final answer
    x = 160,555.36

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1.5x scale

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.