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Finding the Fourth Proportional to 369,898.37, 510,459.74 and 200,132.49

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Solution

The fourth proportional to 369,898.37, 510,459.74 and 200,132.49 is: 276,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,898.37 : 510,459.74 = 200,132.49 : x
  2. Step 2: Convert to fraction form
    369,898.37/510,459.74 = 200,132.49/x
  3. Step 3: Cross multiply
    369,898.37x = 510,459.74 × 200,132.49
  4. Step 4: Simplify right side
    369,898.37x = 102,159,577,810.29
  5. Step 5: Solve for x
    x = 102,159,577,810.29/369,898.37
  6. Step 6: Final answer
    x = 276,182.83

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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.