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Finding the Fourth Proportional to 538,365.70, 807,657.90 and 183,415.60

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Solution

The fourth proportional to 538,365.70, 807,657.90 and 183,415.60 is: 275,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,365.70 : 807,657.90 = 183,415.60 : x
  2. Step 2: Convert to fraction form
    538,365.70/807,657.90 = 183,415.60/x
  3. Step 3: Cross multiply
    538,365.70x = 807,657.90 × 183,415.60
  4. Step 4: Simplify right side
    538,365.70x = 148,137,058,323.24
  5. Step 5: Solve for x
    x = 148,137,058,323.24/538,365.70
  6. Step 6: Final answer
    x = 275,160.65

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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.