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Finding the Fourth Proportional to 652,497.40, 978,746.10 and 463,540.60

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Solution

The fourth proportional to 652,497.40, 978,746.10 and 463,540.60 is: 695,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,497.40 : 978,746.10 = 463,540.60 : x
  2. Step 2: Convert to fraction form
    652,497.40/978,746.10 = 463,540.60/x
  3. Step 3: Cross multiply
    652,497.40x = 978,746.10 × 463,540.60
  4. Step 4: Simplify right side
    652,497.40x = 453,688,554,441.66
  5. Step 5: Solve for x
    x = 453,688,554,441.66/652,497.40
  6. Step 6: Final answer
    x = 695,310.90

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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.