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Finding the Fourth Proportional to 346,332.71, 477,934.61 and 193,373.51

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Solution

The fourth proportional to 346,332.71, 477,934.61 and 193,373.51 is: 266,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,332.71 : 477,934.61 = 193,373.51 : x
  2. Step 2: Convert to fraction form
    346,332.71/477,934.61 = 193,373.51/x
  3. Step 3: Cross multiply
    346,332.71x = 477,934.61 × 193,373.51
  4. Step 4: Simplify right side
    346,332.71x = 92,419,889,729.64
  5. Step 5: Solve for x
    x = 92,419,889,729.64/346,332.71
  6. Step 6: Final answer
    x = 266,852.91

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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.