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Finding the Fourth Proportional to 507,151, 760,441.92 and 347,407.48

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Solution

The fourth proportional to 507,151, 760,441.92 and 347,407.48 is: 520,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,151 : 760,441.92 = 347,407.48 : x
  2. Step 2: Convert to fraction form
    507,151/760,441.92 = 347,407.48/x
  3. Step 3: Cross multiply
    507,151x = 760,441.92 × 347,407.48
  4. Step 4: Simplify right side
    507,151x = 264,183,211,113.56
  5. Step 5: Solve for x
    x = 264,183,211,113.56/507,151
  6. Step 6: Final answer
    x = 520,916.28

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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.