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Finding the Fourth Proportional to 346,396, 519,609.12 and 109,756.12

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Solution

The fourth proportional to 346,396, 519,609.12 and 109,756.12 is: 164,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,396 : 519,609.12 = 109,756.12 : x
  2. Step 2: Convert to fraction form
    346,396/519,609.12 = 109,756.12/x
  3. Step 3: Cross multiply
    346,396x = 519,609.12 × 109,756.12
  4. Step 4: Simplify right side
    346,396x = 57,030,280,927.81
  5. Step 5: Solve for x
    x = 57,030,280,927.81/346,396
  6. Step 6: Final answer
    x = 164,638.97

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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.