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Finding the Fourth Proportional to 346,019.95, 477,506.87 and 193,049.04

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Solution

The fourth proportional to 346,019.95, 477,506.87 and 193,049.04 is: 266,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,019.95 : 477,506.87 = 193,049.04 : x
  2. Step 2: Convert to fraction form
    346,019.95/477,506.87 = 193,049.04/x
  3. Step 3: Cross multiply
    346,019.95x = 477,506.87 × 193,049.04
  4. Step 4: Simplify right side
    346,019.95x = 92,182,242,846.90
  5. Step 5: Solve for x
    x = 92,182,242,846.90/346,019.95
  6. Step 6: Final answer
    x = 266,407.31

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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.