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Finding the Fourth Proportional to 346,413, 519,634.62 and 109,773.12

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Solution

The fourth proportional to 346,413, 519,634.62 and 109,773.12 is: 164,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,413 : 519,634.62 = 109,773.12 : x
  2. Step 2: Convert to fraction form
    346,413/519,634.62 = 109,773.12/x
  3. Step 3: Cross multiply
    346,413x = 519,634.62 × 109,773.12
  4. Step 4: Simplify right side
    346,413x = 57,041,913,497.41
  5. Step 5: Solve for x
    x = 57,041,913,497.41/346,413
  6. Step 6: Final answer
    x = 164,664.47

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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.