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Finding the Fourth Proportional to 706,264.88, 974,664.80 and 383,996.72

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Solution

The fourth proportional to 706,264.88, 974,664.80 and 383,996.72 is: 529,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,264.88 : 974,664.80 = 383,996.72 : x
  2. Step 2: Convert to fraction form
    706,264.88/974,664.80 = 383,996.72/x
  3. Step 3: Cross multiply
    706,264.88x = 974,664.80 × 383,996.72
  4. Step 4: Simplify right side
    706,264.88x = 374,268,086,299.46
  5. Step 5: Solve for x
    x = 374,268,086,299.46/706,264.88
  6. Step 6: Final answer
    x = 529,925.95

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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.