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Finding the Fourth Proportional to 346,098.66, 477,615.25 and 193,135.23

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Solution

The fourth proportional to 346,098.66, 477,615.25 and 193,135.23 is: 266,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,098.66 : 477,615.25 = 193,135.23 : x
  2. Step 2: Convert to fraction form
    346,098.66/477,615.25 = 193,135.23/x
  3. Step 3: Cross multiply
    346,098.66x = 477,615.25 × 193,135.23
  4. Step 4: Simplify right side
    346,098.66x = 92,244,327,806.51
  5. Step 5: Solve for x
    x = 92,244,327,806.51/346,098.66
  6. Step 6: Final answer
    x = 266,526.11

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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.