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Finding the Fourth Proportional to 284,045.98, 392,125.50 and 176,650.62

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Solution

The fourth proportional to 284,045.98, 392,125.50 and 176,650.62 is: 243,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,045.98 : 392,125.50 = 176,650.62 : x
  2. Step 2: Convert to fraction form
    284,045.98/392,125.50 = 176,650.62/x
  3. Step 3: Cross multiply
    284,045.98x = 392,125.50 × 176,650.62
  4. Step 4: Simplify right side
    284,045.98x = 69,269,212,692.81
  5. Step 5: Solve for x
    x = 69,269,212,692.81/284,045.98
  6. Step 6: Final answer
    x = 243,866.20

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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.