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Finding the Fourth Proportional to 613,237.50, 846,280.71 and 344,965.50

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Solution

The fourth proportional to 613,237.50, 846,280.71 and 344,965.50 is: 476,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,237.50 : 846,280.71 = 344,965.50 : x
  2. Step 2: Convert to fraction form
    613,237.50/846,280.71 = 344,965.50/x
  3. Step 3: Cross multiply
    613,237.50x = 846,280.71 × 344,965.50
  4. Step 4: Simplify right side
    613,237.50x = 291,937,648,265.51
  5. Step 5: Solve for x
    x = 291,937,648,265.51/613,237.50
  6. Step 6: Final answer
    x = 476,059.68

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1.5x scale

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.