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Finding the Fourth Proportional to 395,312.36, 593,204.74 and 363,153.48

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Solution

The fourth proportional to 395,312.36, 593,204.74 and 363,153.48 is: 544,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,312.36 : 593,204.74 = 363,153.48 : x
  2. Step 2: Convert to fraction form
    395,312.36/593,204.74 = 363,153.48/x
  3. Step 3: Cross multiply
    395,312.36x = 593,204.74 × 363,153.48
  4. Step 4: Simplify right side
    395,312.36x = 215,424,365,683.50
  5. Step 5: Solve for x
    x = 215,424,365,683.50/395,312.36
  6. Step 6: Final answer
    x = 544,947.20

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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.