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Finding the Fourth Proportional to 288,026.70, 403,652.10 and 288,026.70

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Solution

The fourth proportional to 288,026.70, 403,652.10 and 288,026.70 is: 403,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,026.70 : 403,652.10 = 288,026.70 : x
  2. Step 2: Convert to fraction form
    288,026.70/403,652.10 = 288,026.70/x
  3. Step 3: Cross multiply
    288,026.70x = 403,652.10 × 288,026.70
  4. Step 4: Simplify right side
    288,026.70x = 116,262,582,311.07
  5. Step 5: Solve for x
    x = 116,262,582,311.07/288,026.70
  6. Step 6: Final answer
    x = 403,652.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.