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Finding the Fourth Proportional to 536,931.37, 740,945.36 and 295,199.53

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Solution

The fourth proportional to 536,931.37, 740,945.36 and 295,199.53 is: 407,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,931.37 : 740,945.36 = 295,199.53 : x
  2. Step 2: Convert to fraction form
    536,931.37/740,945.36 = 295,199.53/x
  3. Step 3: Cross multiply
    536,931.37x = 740,945.36 × 295,199.53
  4. Step 4: Simplify right side
    536,931.37x = 218,726,722,027.68
  5. Step 5: Solve for x
    x = 218,726,722,027.68/536,931.37
  6. Step 6: Final answer
    x = 407,364.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.