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Finding the Fourth Proportional to 202,970.40, 304,455.60 and 194,805.60

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Solution

The fourth proportional to 202,970.40, 304,455.60 and 194,805.60 is: 292,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,970.40 : 304,455.60 = 194,805.60 : x
  2. Step 2: Convert to fraction form
    202,970.40/304,455.60 = 194,805.60/x
  3. Step 3: Cross multiply
    202,970.40x = 304,455.60 × 194,805.60
  4. Step 4: Simplify right side
    202,970.40x = 59,309,655,831.36
  5. Step 5: Solve for x
    x = 59,309,655,831.36/202,970.40
  6. Step 6: Final answer
    x = 292,208.40

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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.