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Finding the Fourth Proportional to 713,598.60, 1,068,842.70 and 634,801.80

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Solution

The fourth proportional to 713,598.60, 1,068,842.70 and 634,801.80 is: 950,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,598.60 : 1,068,842.70 = 634,801.80 : x
  2. Step 2: Convert to fraction form
    713,598.60/1,068,842.70 = 634,801.80/x
  3. Step 3: Cross multiply
    713,598.60x = 1,068,842.70 × 634,801.80
  4. Step 4: Simplify right side
    713,598.60x = 678,503,269,876.86
  5. Step 5: Solve for x
    x = 678,503,269,876.86/713,598.60
  6. Step 6: Final answer
    x = 950,819.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.