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Finding the Fourth Proportional to 456,010.40, 684,015.60 and 267,053.60

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Solution

The fourth proportional to 456,010.40, 684,015.60 and 267,053.60 is: 400,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,010.40 : 684,015.60 = 267,053.60 : x
  2. Step 2: Convert to fraction form
    456,010.40/684,015.60 = 267,053.60/x
  3. Step 3: Cross multiply
    456,010.40x = 684,015.60 × 267,053.60
  4. Step 4: Simplify right side
    456,010.40x = 182,668,828,436.16
  5. Step 5: Solve for x
    x = 182,668,828,436.16/456,010.40
  6. Step 6: Final answer
    x = 400,580.40

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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.