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Finding the Fourth Proportional to 713,595.60, 1,068,838.20 and 634,798.80

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Solution

The fourth proportional to 713,595.60, 1,068,838.20 and 634,798.80 is: 950,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,595.60 : 1,068,838.20 = 634,798.80 : x
  2. Step 2: Convert to fraction form
    713,595.60/1,068,838.20 = 634,798.80/x
  3. Step 3: Cross multiply
    713,595.60x = 1,068,838.20 × 634,798.80
  4. Step 4: Simplify right side
    713,595.60x = 678,497,206,754.16
  5. Step 5: Solve for x
    x = 678,497,206,754.16/713,595.60
  6. Step 6: Final answer
    x = 950,814.73

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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.