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Finding the Fourth Proportional to 503,886.60, 695,363.46 and 277,532.10

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Solution

The fourth proportional to 503,886.60, 695,363.46 and 277,532.10 is: 382,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,886.60 : 695,363.46 = 277,532.10 : x
  2. Step 2: Convert to fraction form
    503,886.60/695,363.46 = 277,532.10/x
  3. Step 3: Cross multiply
    503,886.60x = 695,363.46 × 277,532.10
  4. Step 4: Simplify right side
    503,886.60x = 192,985,681,317.07
  5. Step 5: Solve for x
    x = 192,985,681,317.07/503,886.60
  6. Step 6: Final answer
    x = 382,994.27

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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.