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Finding the Fourth Proportional to 404,765.80, 607,148.70 and 155,453.80

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Solution

The fourth proportional to 404,765.80, 607,148.70 and 155,453.80 is: 233,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,765.80 : 607,148.70 = 155,453.80 : x
  2. Step 2: Convert to fraction form
    404,765.80/607,148.70 = 155,453.80/x
  3. Step 3: Cross multiply
    404,765.80x = 607,148.70 × 155,453.80
  4. Step 4: Simplify right side
    404,765.80x = 94,383,572,580.06
  5. Step 5: Solve for x
    x = 94,383,572,580.06/404,765.80
  6. Step 6: Final answer
    x = 233,180.70

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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.