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Finding the Fourth Proportional to 239,416.84, 330,411.64 and 146,322.59

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Solution

The fourth proportional to 239,416.84, 330,411.64 and 146,322.59 is: 201,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,416.84 : 330,411.64 = 146,322.59 : x
  2. Step 2: Convert to fraction form
    239,416.84/330,411.64 = 146,322.59/x
  3. Step 3: Cross multiply
    239,416.84x = 330,411.64 × 146,322.59
  4. Step 4: Simplify right side
    239,416.84x = 48,346,684,913.08
  5. Step 5: Solve for x
    x = 48,346,684,913.08/239,416.84
  6. Step 6: Final answer
    x = 201,935.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.