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Finding the Fourth Proportional to 453,973.60, 679,923.60 and 267,349.60

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Solution

The fourth proportional to 453,973.60, 679,923.60 and 267,349.60 is: 400,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,973.60 : 679,923.60 = 267,349.60 : x
  2. Step 2: Convert to fraction form
    453,973.60/679,923.60 = 267,349.60/x
  3. Step 3: Cross multiply
    453,973.60x = 679,923.60 × 267,349.60
  4. Step 4: Simplify right side
    453,973.60x = 181,777,302,490.56
  5. Step 5: Solve for x
    x = 181,777,302,490.56/453,973.60
  6. Step 6: Final answer
    x = 400,413.82

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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.