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Finding the Fourth Proportional to 264,220.74, 364,623.66 and 156,879

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Solution

The fourth proportional to 264,220.74, 364,623.66 and 156,879 is: 216,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,220.74 : 364,623.66 = 156,879 : x
  2. Step 2: Convert to fraction form
    264,220.74/364,623.66 = 156,879/x
  3. Step 3: Cross multiply
    264,220.74x = 364,623.66 × 156,879
  4. Step 4: Simplify right side
    264,220.74x = 57,201,795,157.14
  5. Step 5: Solve for x
    x = 57,201,795,157.14/264,220.74
  6. Step 6: Final answer
    x = 216,492.45

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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.