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Finding the Fourth Proportional to 346,122.48, 477,865.24 and 265,394.90

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Solution

The fourth proportional to 346,122.48, 477,865.24 and 265,394.90 is: 366,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,122.48 : 477,865.24 = 265,394.90 : x
  2. Step 2: Convert to fraction form
    346,122.48/477,865.24 = 265,394.90/x
  3. Step 3: Cross multiply
    346,122.48x = 477,865.24 × 265,394.90
  4. Step 4: Simplify right side
    346,122.48x = 126,822,997,583.28
  5. Step 5: Solve for x
    x = 126,822,997,583.28/346,122.48
  6. Step 6: Final answer
    x = 366,410.75

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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.