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Finding the Fourth Proportional to 637,783.05, 956,675.79 and 598,810.71

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Solution

The fourth proportional to 637,783.05, 956,675.79 and 598,810.71 is: 898,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,783.05 : 956,675.79 = 598,810.71 : x
  2. Step 2: Convert to fraction form
    637,783.05/956,675.79 = 598,810.71/x
  3. Step 3: Cross multiply
    637,783.05x = 956,675.79 × 598,810.71
  4. Step 4: Simplify right side
    637,783.05x = 572,867,709,049.71
  5. Step 5: Solve for x
    x = 572,867,709,049.71/637,783.05
  6. Step 6: Final answer
    x = 898,217.21

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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.