Home / 346,812.10-479,005.05-233,455.30

Finding the Fourth Proportional to 346,812.10, 479,005.05 and 233,455.30

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Solution

The fourth proportional to 346,812.10, 479,005.05 and 233,455.30 is: 322,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,812.10 : 479,005.05 = 233,455.30 : x
  2. Step 2: Convert to fraction form
    346,812.10/479,005.05 = 233,455.30/x
  3. Step 3: Cross multiply
    346,812.10x = 479,005.05 × 233,455.30
  4. Step 4: Simplify right side
    346,812.10x = 111,826,267,649.27
  5. Step 5: Solve for x
    x = 111,826,267,649.27/346,812.10
  6. Step 6: Final answer
    x = 322,440.50

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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.