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Finding the Fourth Proportional to 617,513.80, 926,040.30 and 243,459.40

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Solution

The fourth proportional to 617,513.80, 926,040.30 and 243,459.40 is: 365,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,513.80 : 926,040.30 = 243,459.40 : x
  2. Step 2: Convert to fraction form
    617,513.80/926,040.30 = 243,459.40/x
  3. Step 3: Cross multiply
    617,513.80x = 926,040.30 × 243,459.40
  4. Step 4: Simplify right side
    617,513.80x = 225,453,215,813.82
  5. Step 5: Solve for x
    x = 225,453,215,813.82/617,513.80
  6. Step 6: Final answer
    x = 365,098.26

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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.