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Finding the Fourth Proportional to 531,812.40, 797,718.60 and 194,852.40

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Solution

The fourth proportional to 531,812.40, 797,718.60 and 194,852.40 is: 292,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,812.40 : 797,718.60 = 194,852.40 : x
  2. Step 2: Convert to fraction form
    531,812.40/797,718.60 = 194,852.40/x
  3. Step 3: Cross multiply
    531,812.40x = 797,718.60 × 194,852.40
  4. Step 4: Simplify right side
    531,812.40x = 155,437,383,734.64
  5. Step 5: Solve for x
    x = 155,437,383,734.64/531,812.40
  6. Step 6: Final answer
    x = 292,278.60

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Similar ratio
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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.