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Finding the Fourth Proportional to 503,897.60, 695,378.66 and 277,543.10

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Solution

The fourth proportional to 503,897.60, 695,378.66 and 277,543.10 is: 383,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,897.60 : 695,378.66 = 277,543.10 : x
  2. Step 2: Convert to fraction form
    503,897.60/695,378.66 = 277,543.10/x
  3. Step 3: Cross multiply
    503,897.60x = 695,378.66 × 277,543.10
  4. Step 4: Simplify right side
    503,897.60x = 192,997,544,105.64
  5. Step 5: Solve for x
    x = 192,997,544,105.64/503,897.60
  6. Step 6: Final answer
    x = 383,009.46

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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.