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Finding the Fourth Proportional to 504,639.22, 696,436.53 and 292,671.22

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Solution

The fourth proportional to 504,639.22, 696,436.53 and 292,671.22 is: 403,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,639.22 : 696,436.53 = 292,671.22 : x
  2. Step 2: Convert to fraction form
    504,639.22/696,436.53 = 292,671.22/x
  3. Step 3: Cross multiply
    504,639.22x = 696,436.53 × 292,671.22
  4. Step 4: Simplify right side
    504,639.22x = 203,826,928,887.67
  5. Step 5: Solve for x
    x = 203,826,928,887.67/504,639.22
  6. Step 6: Final answer
    x = 403,906.24

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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.