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Finding the Fourth Proportional to 899,991.60, 1,350,001.80 and 235,143.60

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Solution

The fourth proportional to 899,991.60, 1,350,001.80 and 235,143.60 is: 352,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,991.60 : 1,350,001.80 = 235,143.60 : x
  2. Step 2: Convert to fraction form
    899,991.60/1,350,001.80 = 235,143.60/x
  3. Step 3: Cross multiply
    899,991.60x = 1,350,001.80 × 235,143.60
  4. Step 4: Simplify right side
    899,991.60x = 317,444,283,258.48
  5. Step 5: Solve for x
    x = 317,444,283,258.48/899,991.60
  6. Step 6: Final answer
    x = 352,719.16

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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.