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Finding the Fourth Proportional to 503,673.52, 695,069.60 and 277,319

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Solution

The fourth proportional to 503,673.52, 695,069.60 and 277,319 is: 382,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,673.52 : 695,069.60 = 277,319 : x
  2. Step 2: Convert to fraction form
    503,673.52/695,069.60 = 277,319/x
  3. Step 3: Cross multiply
    503,673.52x = 695,069.60 × 277,319
  4. Step 4: Simplify right side
    503,673.52x = 192,756,006,402.40
  5. Step 5: Solve for x
    x = 192,756,006,402.40/503,673.52
  6. Step 6: Final answer
    x = 382,700.30

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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.