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Finding the Fourth Proportional to 504,557.42, 696,280.32 and 275,116.50

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Solution

The fourth proportional to 504,557.42, 696,280.32 and 275,116.50 is: 379,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,557.42 : 696,280.32 = 275,116.50 : x
  2. Step 2: Convert to fraction form
    504,557.42/696,280.32 = 275,116.50/x
  3. Step 3: Cross multiply
    504,557.42x = 696,280.32 × 275,116.50
  4. Step 4: Simplify right side
    504,557.42x = 191,558,204,657.28
  5. Step 5: Solve for x
    x = 191,558,204,657.28/504,557.42
  6. Step 6: Final answer
    x = 379,655.91

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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.