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Finding the Fourth Proportional to 898,135.92, 1,347,200.10 and 365,530.68

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Solution

The fourth proportional to 898,135.92, 1,347,200.10 and 365,530.68 is: 548,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,135.92 : 1,347,200.10 = 365,530.68 : x
  2. Step 2: Convert to fraction form
    898,135.92/1,347,200.10 = 365,530.68/x
  3. Step 3: Cross multiply
    898,135.92x = 1,347,200.10 × 365,530.68
  4. Step 4: Simplify right side
    898,135.92x = 492,442,968,649.07
  5. Step 5: Solve for x
    x = 492,442,968,649.07/898,135.92
  6. Step 6: Final answer
    x = 548,294.48

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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.