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Finding the Fourth Proportional to 460,351.30, 689,360.55 and 367,039.30

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Solution

The fourth proportional to 460,351.30, 689,360.55 and 367,039.30 is: 549,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,351.30 : 689,360.55 = 367,039.30 : x
  2. Step 2: Convert to fraction form
    460,351.30/689,360.55 = 367,039.30/x
  3. Step 3: Cross multiply
    460,351.30x = 689,360.55 × 367,039.30
  4. Step 4: Simplify right side
    460,351.30x = 253,022,413,719.62
  5. Step 5: Solve for x
    x = 253,022,413,719.62/460,351.30
  6. Step 6: Final answer
    x = 549,628.98

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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.