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Finding the Fourth Proportional to 502,005.93, 692,759.55 and 275,649.81

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Solution

The fourth proportional to 502,005.93, 692,759.55 and 275,649.81 is: 380,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,005.93 : 692,759.55 = 275,649.81 : x
  2. Step 2: Convert to fraction form
    502,005.93/692,759.55 = 275,649.81/x
  3. Step 3: Cross multiply
    502,005.93x = 692,759.55 × 275,649.81
  4. Step 4: Simplify right side
    502,005.93x = 190,959,038,333.19
  5. Step 5: Solve for x
    x = 190,959,038,333.19/502,005.93
  6. Step 6: Final answer
    x = 380,392.00

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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.