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Finding the Fourth Proportional to 230,683.60, 346,025.40 and 216,686.80

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Solution

The fourth proportional to 230,683.60, 346,025.40 and 216,686.80 is: 325,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,683.60 : 346,025.40 = 216,686.80 : x
  2. Step 2: Convert to fraction form
    230,683.60/346,025.40 = 216,686.80/x
  3. Step 3: Cross multiply
    230,683.60x = 346,025.40 × 216,686.80
  4. Step 4: Simplify right side
    230,683.60x = 74,979,136,644.72
  5. Step 5: Solve for x
    x = 74,979,136,644.72/230,683.60
  6. Step 6: Final answer
    x = 325,030.20

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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.