Home / 288,448.48-432,085.18-235,329.76

Finding the Fourth Proportional to 288,448.48, 432,085.18 and 235,329.76

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Solution

The fourth proportional to 288,448.48, 432,085.18 and 235,329.76 is: 352,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,448.48 : 432,085.18 = 235,329.76 : x
  2. Step 2: Convert to fraction form
    288,448.48/432,085.18 = 235,329.76/x
  3. Step 3: Cross multiply
    288,448.48x = 432,085.18 × 235,329.76
  4. Step 4: Simplify right side
    288,448.48x = 101,682,501,708.96
  5. Step 5: Solve for x
    x = 101,682,501,708.96/288,448.48
  6. Step 6: Final answer
    x = 352,515.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.