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Finding the Fourth Proportional to 207,254.60, 310,881.90 and 202,646.60

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Solution

The fourth proportional to 207,254.60, 310,881.90 and 202,646.60 is: 303,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,254.60 : 310,881.90 = 202,646.60 : x
  2. Step 2: Convert to fraction form
    207,254.60/310,881.90 = 202,646.60/x
  3. Step 3: Cross multiply
    207,254.60x = 310,881.90 × 202,646.60
  4. Step 4: Simplify right side
    207,254.60x = 62,999,160,036.54
  5. Step 5: Solve for x
    x = 62,999,160,036.54/207,254.60
  6. Step 6: Final answer
    x = 303,969.90

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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.