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Finding the Fourth Proportional to 503,903.47, 695,386.75 and 277,548.97

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Solution

The fourth proportional to 503,903.47, 695,386.75 and 277,548.97 is: 383,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,903.47 : 695,386.75 = 277,548.97 : x
  2. Step 2: Convert to fraction form
    503,903.47/695,386.75 = 277,548.97/x
  3. Step 3: Cross multiply
    503,903.47x = 695,386.75 × 277,548.97
  4. Step 4: Simplify right side
    503,903.47x = 193,003,876,214.15
  5. Step 5: Solve for x
    x = 193,003,876,214.15/503,903.47
  6. Step 6: Final answer
    x = 383,017.56

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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.