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Finding the Fourth Proportional to 846,758.40, 1,168,539.84 and 464,820

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Solution

The fourth proportional to 846,758.40, 1,168,539.84 and 464,820 is: 641,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,758.40 : 1,168,539.84 = 464,820 : x
  2. Step 2: Convert to fraction form
    846,758.40/1,168,539.84 = 464,820/x
  3. Step 3: Cross multiply
    846,758.40x = 1,168,539.84 × 464,820
  4. Step 4: Simplify right side
    846,758.40x = 543,160,688,428.80
  5. Step 5: Solve for x
    x = 543,160,688,428.80/846,758.40
  6. Step 6: Final answer
    x = 641,458.87

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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.