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Finding the Fourth Proportional to 873,331.60, 1,310,688.60 and 341,107.60

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Solution

The fourth proportional to 873,331.60, 1,310,688.60 and 341,107.60 is: 511,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,331.60 : 1,310,688.60 = 341,107.60 : x
  2. Step 2: Convert to fraction form
    873,331.60/1,310,688.60 = 341,107.60/x
  3. Step 3: Cross multiply
    873,331.60x = 1,310,688.60 × 341,107.60
  4. Step 4: Simplify right side
    873,331.60x = 447,085,842,693.36
  5. Step 5: Solve for x
    x = 447,085,842,693.36/873,331.60
  6. Step 6: Final answer
    x = 511,931.37

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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.