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Finding the Fourth Proportional to 346,415, 519,637.62 and 109,775.12

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Solution

The fourth proportional to 346,415, 519,637.62 and 109,775.12 is: 164,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,415 : 519,637.62 = 109,775.12 : x
  2. Step 2: Convert to fraction form
    346,415/519,637.62 = 109,775.12/x
  3. Step 3: Cross multiply
    346,415x = 519,637.62 × 109,775.12
  4. Step 4: Simplify right side
    346,415x = 57,043,282,092.01
  5. Step 5: Solve for x
    x = 57,043,282,092.01/346,415
  6. Step 6: Final answer
    x = 164,667.47

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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.