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Finding the Fourth Proportional to 346,344.30, 477,953.10 and 193,373.64

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Solution

The fourth proportional to 346,344.30, 477,953.10 and 193,373.64 is: 266,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,344.30 : 477,953.10 = 193,373.64 : x
  2. Step 2: Convert to fraction form
    346,344.30/477,953.10 = 193,373.64/x
  3. Step 3: Cross multiply
    346,344.30x = 477,953.10 × 193,373.64
  4. Step 4: Simplify right side
    346,344.30x = 92,423,530,696.28
  5. Step 5: Solve for x
    x = 92,423,530,696.28/346,344.30
  6. Step 6: Final answer
    x = 266,854.49

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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.