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Finding the Fourth Proportional to 883,649.68, 1,219,471.08 and 501,712

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Solution

The fourth proportional to 883,649.68, 1,219,471.08 and 501,712 is: 692,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,649.68 : 1,219,471.08 = 501,712 : x
  2. Step 2: Convert to fraction form
    883,649.68/1,219,471.08 = 501,712/x
  3. Step 3: Cross multiply
    883,649.68x = 1,219,471.08 × 501,712
  4. Step 4: Simplify right side
    883,649.68x = 611,823,274,488.96
  5. Step 5: Solve for x
    x = 611,823,274,488.96/883,649.68
  6. Step 6: Final answer
    x = 692,382.16

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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.