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Finding the Fourth Proportional to 404,263.35, 606,455.55 and 130,618.08

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Solution

The fourth proportional to 404,263.35, 606,455.55 and 130,618.08 is: 195,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,263.35 : 606,455.55 = 130,618.08 : x
  2. Step 2: Convert to fraction form
    404,263.35/606,455.55 = 130,618.08/x
  3. Step 3: Cross multiply
    404,263.35x = 606,455.55 × 130,618.08
  4. Step 4: Simplify right side
    404,263.35x = 79,214,059,546.34
  5. Step 5: Solve for x
    x = 79,214,059,546.34/404,263.35
  6. Step 6: Final answer
    x = 195,946.68

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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.