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Finding the Fourth Proportional to 501,903.18, 692,617.77 and 275,547.06

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Solution

The fourth proportional to 501,903.18, 692,617.77 and 275,547.06 is: 380,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,903.18 : 692,617.77 = 275,547.06 : x
  2. Step 2: Convert to fraction form
    501,903.18/692,617.77 = 275,547.06/x
  3. Step 3: Cross multiply
    501,903.18x = 692,617.77 × 275,547.06
  4. Step 4: Simplify right side
    501,903.18x = 190,848,790,227.26
  5. Step 5: Solve for x
    x = 190,848,790,227.26/501,903.18
  6. Step 6: Final answer
    x = 380,250.21

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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.