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Finding the Fourth Proportional to 353,499.84, 530,137.44 and 116,798.40

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Solution

The fourth proportional to 353,499.84, 530,137.44 and 116,798.40 is: 175,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,499.84 : 530,137.44 = 116,798.40 : x
  2. Step 2: Convert to fraction form
    353,499.84/530,137.44 = 116,798.40/x
  3. Step 3: Cross multiply
    353,499.84x = 530,137.44 × 116,798.40
  4. Step 4: Simplify right side
    353,499.84x = 61,919,204,772.10
  5. Step 5: Solve for x
    x = 61,919,204,772.10/353,499.84
  6. Step 6: Final answer
    x = 175,160.49

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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.