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Finding the Fourth Proportional to 845,648, 1,166,887.28 and 463,574.24

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Solution

The fourth proportional to 845,648, 1,166,887.28 and 463,574.24 is: 639,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,648 : 1,166,887.28 = 463,574.24 : x
  2. Step 2: Convert to fraction form
    845,648/1,166,887.28 = 463,574.24/x
  3. Step 3: Cross multiply
    845,648x = 1,166,887.28 × 463,574.24
  4. Step 4: Simplify right side
    845,648x = 540,938,883,991.67
  5. Step 5: Solve for x
    x = 540,938,883,991.67/845,648
  6. Step 6: Final answer
    x = 639,673.82

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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.