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Finding the Fourth Proportional to 346,258.94, 520,301.71 and 186,453.03

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Solution

The fourth proportional to 346,258.94, 520,301.71 and 186,453.03 is: 280,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,258.94 : 520,301.71 = 186,453.03 : x
  2. Step 2: Convert to fraction form
    346,258.94/520,301.71 = 186,453.03/x
  3. Step 3: Cross multiply
    346,258.94x = 520,301.71 × 186,453.03
  4. Step 4: Simplify right side
    346,258.94x = 97,011,830,343.68
  5. Step 5: Solve for x
    x = 97,011,830,343.68/346,258.94
  6. Step 6: Final answer
    x = 280,171.34

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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.