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Finding the Fourth Proportional to 503,995.63, 695,513.66 and 277,641.13

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Solution

The fourth proportional to 503,995.63, 695,513.66 and 277,641.13 is: 383,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,995.63 : 695,513.66 = 277,641.13 : x
  2. Step 2: Convert to fraction form
    503,995.63/695,513.66 = 277,641.13/x
  3. Step 3: Cross multiply
    503,995.63x = 695,513.66 × 277,641.13
  4. Step 4: Simplify right side
    503,995.63x = 193,103,194,582.34
  5. Step 5: Solve for x
    x = 193,103,194,582.34/503,995.63
  6. Step 6: Final answer
    x = 383,144.58

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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.