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Finding the Fourth Proportional to 346,101.12, 477,369.72 and 267,228.72

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Solution

The fourth proportional to 346,101.12, 477,369.72 and 267,228.72 is: 368,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,101.12 : 477,369.72 = 267,228.72 : x
  2. Step 2: Convert to fraction form
    346,101.12/477,369.72 = 267,228.72/x
  3. Step 3: Cross multiply
    346,101.12x = 477,369.72 × 267,228.72
  4. Step 4: Simplify right side
    346,101.12x = 127,566,899,242.36
  5. Step 5: Solve for x
    x = 127,566,899,242.36/346,101.12
  6. Step 6: Final answer
    x = 368,582.74

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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.