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Finding the Fourth Proportional to 346,258.39, 520,300.88 and 186,452.48

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Solution

The fourth proportional to 346,258.39, 520,300.88 and 186,452.48 is: 280,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,258.39 : 520,300.88 = 186,452.48 : x
  2. Step 2: Convert to fraction form
    346,258.39/520,300.88 = 186,452.48/x
  3. Step 3: Cross multiply
    346,258.39x = 520,300.88 × 186,452.48
  4. Step 4: Simplify right side
    346,258.39x = 97,011,387,286.81
  5. Step 5: Solve for x
    x = 97,011,387,286.81/346,258.39
  6. Step 6: Final answer
    x = 280,170.51

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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.