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Finding the Fourth Proportional to 889,260.48, 1,227,064.14 and 507,264.48

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Solution

The fourth proportional to 889,260.48, 1,227,064.14 and 507,264.48 is: 699,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,260.48 : 1,227,064.14 = 507,264.48 : x
  2. Step 2: Convert to fraction form
    889,260.48/1,227,064.14 = 507,264.48/x
  3. Step 3: Cross multiply
    889,260.48x = 1,227,064.14 × 507,264.48
  4. Step 4: Simplify right side
    889,260.48x = 622,446,052,903.75
  5. Step 5: Solve for x
    x = 622,446,052,903.75/889,260.48
  6. Step 6: Final answer
    x = 699,959.20

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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.