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Finding the Fourth Proportional to 503,649.26, 695,014.98 and 277,280.18

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Solution

The fourth proportional to 503,649.26, 695,014.98 and 277,280.18 is: 382,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,649.26 : 695,014.98 = 277,280.18 : x
  2. Step 2: Convert to fraction form
    503,649.26/695,014.98 = 277,280.18/x
  3. Step 3: Cross multiply
    503,649.26x = 695,014.98 × 277,280.18
  4. Step 4: Simplify right side
    503,649.26x = 192,713,875,282.02
  5. Step 5: Solve for x
    x = 192,713,875,282.02/503,649.26
  6. Step 6: Final answer
    x = 382,635.08

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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.