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Finding the Fourth Proportional to 304,915.79, 456,783.20 and 147,254.96

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Solution

The fourth proportional to 304,915.79, 456,783.20 and 147,254.96 is: 220,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,915.79 : 456,783.20 = 147,254.96 : x
  2. Step 2: Convert to fraction form
    304,915.79/456,783.20 = 147,254.96/x
  3. Step 3: Cross multiply
    304,915.79x = 456,783.20 × 147,254.96
  4. Step 4: Simplify right side
    304,915.79x = 67,263,592,802.56
  5. Step 5: Solve for x
    x = 67,263,592,802.56/304,915.79
  6. Step 6: Final answer
    x = 220,597.27

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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.