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Finding the Fourth Proportional to 713,609.10, 1,068,858.45 and 634,812.30

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Solution

The fourth proportional to 713,609.10, 1,068,858.45 and 634,812.30 is: 950,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,609.10 : 1,068,858.45 = 634,812.30 : x
  2. Step 2: Convert to fraction form
    713,609.10/1,068,858.45 = 634,812.30/x
  3. Step 3: Cross multiply
    713,609.10x = 1,068,858.45 × 634,812.30
  4. Step 4: Simplify right side
    713,609.10x = 678,524,491,018.94
  5. Step 5: Solve for x
    x = 678,524,491,018.94/713,609.10
  6. Step 6: Final answer
    x = 950,834.98

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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.