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Finding the Fourth Proportional to 543,552.84, 815,369.09 and 144,184.77

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Solution

The fourth proportional to 543,552.84, 815,369.09 and 144,184.77 is: 216,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,552.84 : 815,369.09 = 144,184.77 : x
  2. Step 2: Convert to fraction form
    543,552.84/815,369.09 = 144,184.77/x
  3. Step 3: Cross multiply
    543,552.84x = 815,369.09 × 144,184.77
  4. Step 4: Simplify right side
    543,552.84x = 117,563,803,985.84
  5. Step 5: Solve for x
    x = 117,563,803,985.84/543,552.84
  6. Step 6: Final answer
    x = 216,287.72

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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.