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Finding the Fourth Proportional to 216,880.30, 304,254.50 and 216,880.30

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Solution

The fourth proportional to 216,880.30, 304,254.50 and 216,880.30 is: 304,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,880.30 : 304,254.50 = 216,880.30 : x
  2. Step 2: Convert to fraction form
    216,880.30/304,254.50 = 216,880.30/x
  3. Step 3: Cross multiply
    216,880.30x = 304,254.50 × 216,880.30
  4. Step 4: Simplify right side
    216,880.30x = 65,986,807,236.35
  5. Step 5: Solve for x
    x = 65,986,807,236.35/216,880.30
  6. Step 6: Final answer
    x = 304,254.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.