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Finding the Fourth Proportional to 503,999.10, 695,518.45 and 277,644.60

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Solution

The fourth proportional to 503,999.10, 695,518.45 and 277,644.60 is: 383,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,999.10 : 695,518.45 = 277,644.60 : x
  2. Step 2: Convert to fraction form
    503,999.10/695,518.45 = 277,644.60/x
  3. Step 3: Cross multiply
    503,999.10x = 695,518.45 × 277,644.60
  4. Step 4: Simplify right side
    503,999.10x = 193,106,941,148.76
  5. Step 5: Solve for x
    x = 193,106,941,148.76/503,999.10
  6. Step 6: Final answer
    x = 383,149.38

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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.