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Finding the Fourth Proportional to 255,707.82, 384,402.58 and 237,211.15

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Solution

The fourth proportional to 255,707.82, 384,402.58 and 237,211.15 is: 356,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,707.82 : 384,402.58 = 237,211.15 : x
  2. Step 2: Convert to fraction form
    255,707.82/384,402.58 = 237,211.15/x
  3. Step 3: Cross multiply
    255,707.82x = 384,402.58 × 237,211.15
  4. Step 4: Simplify right side
    255,707.82x = 91,184,578,064.77
  5. Step 5: Solve for x
    x = 91,184,578,064.77/255,707.82
  6. Step 6: Final answer
    x = 356,596.75

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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.