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Finding the Fourth Proportional to 530,837.84, 796,391.68 and 156,860.88

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Solution

The fourth proportional to 530,837.84, 796,391.68 and 156,860.88 is: 235,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,837.84 : 796,391.68 = 156,860.88 : x
  2. Step 2: Convert to fraction form
    530,837.84/796,391.68 = 156,860.88/x
  3. Step 3: Cross multiply
    530,837.84x = 796,391.68 × 156,860.88
  4. Step 4: Simplify right side
    530,837.84x = 124,922,699,749.48
  5. Step 5: Solve for x
    x = 124,922,699,749.48/530,837.84
  6. Step 6: Final answer
    x = 235,331.19

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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.