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Finding the Fourth Proportional to 404,970.60, 607,455.90 and 180,330.60

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Solution

The fourth proportional to 404,970.60, 607,455.90 and 180,330.60 is: 270,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,970.60 : 607,455.90 = 180,330.60 : x
  2. Step 2: Convert to fraction form
    404,970.60/607,455.90 = 180,330.60/x
  3. Step 3: Cross multiply
    404,970.60x = 607,455.90 × 180,330.60
  4. Step 4: Simplify right side
    404,970.60x = 109,542,886,920.54
  5. Step 5: Solve for x
    x = 109,542,886,920.54/404,970.60
  6. Step 6: Final answer
    x = 270,495.90

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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.