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Finding the Fourth Proportional to 346,463.07, 519,709.23 and 109,800.51

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Solution

The fourth proportional to 346,463.07, 519,709.23 and 109,800.51 is: 164,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,463.07 : 519,709.23 = 109,800.51 : x
  2. Step 2: Convert to fraction form
    346,463.07/519,709.23 = 109,800.51/x
  3. Step 3: Cross multiply
    346,463.07x = 519,709.23 × 109,800.51
  4. Step 4: Simplify right side
    346,463.07x = 57,064,338,505.71
  5. Step 5: Solve for x
    x = 57,064,338,505.71/346,463.07
  6. Step 6: Final answer
    x = 164,705.40

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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.