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Finding the Fourth Proportional to 529,612.84, 794,169.54 and 192,415.72

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Solution

The fourth proportional to 529,612.84, 794,169.54 and 192,415.72 is: 288,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,612.84 : 794,169.54 = 192,415.72 : x
  2. Step 2: Convert to fraction form
    529,612.84/794,169.54 = 192,415.72/x
  3. Step 3: Cross multiply
    529,612.84x = 794,169.54 × 192,415.72
  4. Step 4: Simplify right side
    529,612.84x = 152,810,703,841.17
  5. Step 5: Solve for x
    x = 152,810,703,841.17/529,612.84
  6. Step 6: Final answer
    x = 288,532.85

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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.