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Finding the Fourth Proportional to 713,590.60, 1,068,830.70 and 634,793.80

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Solution

The fourth proportional to 713,590.60, 1,068,830.70 and 634,793.80 is: 950,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,590.60 : 1,068,830.70 = 634,793.80 : x
  2. Step 2: Convert to fraction form
    713,590.60/1,068,830.70 = 634,793.80/x
  3. Step 3: Cross multiply
    713,590.60x = 1,068,830.70 × 634,793.80
  4. Step 4: Simplify right side
    713,590.60x = 678,487,101,609.66
  5. Step 5: Solve for x
    x = 678,487,101,609.66/713,590.60
  6. Step 6: Final answer
    x = 950,807.23

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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.