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Finding the Fourth Proportional to 953,123.76, 1,315,606.02 and 613,592

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Solution

The fourth proportional to 953,123.76, 1,315,606.02 and 613,592 is: 846,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,123.76 : 1,315,606.02 = 613,592 : x
  2. Step 2: Convert to fraction form
    953,123.76/1,315,606.02 = 613,592/x
  3. Step 3: Cross multiply
    953,123.76x = 1,315,606.02 × 613,592
  4. Step 4: Simplify right side
    953,123.76x = 807,245,329,023.84
  5. Step 5: Solve for x
    x = 807,245,329,023.84/953,123.76
  6. Step 6: Final answer
    x = 846,947.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.