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Finding the Fourth Proportional to 524,035.16, 786,218.90 and 187,068.60

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Solution

The fourth proportional to 524,035.16, 786,218.90 and 187,068.60 is: 280,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,035.16 : 786,218.90 = 187,068.60 : x
  2. Step 2: Convert to fraction form
    524,035.16/786,218.90 = 187,068.60/x
  3. Step 3: Cross multiply
    524,035.16x = 786,218.90 × 187,068.60
  4. Step 4: Simplify right side
    524,035.16x = 147,076,868,916.54
  5. Step 5: Solve for x
    x = 147,076,868,916.54/524,035.16
  6. Step 6: Final answer
    x = 280,662.22

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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.