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Finding the Fourth Proportional to 480,030.60, 720,045.90 and 164,440.20

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Solution

The fourth proportional to 480,030.60, 720,045.90 and 164,440.20 is: 246,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,030.60 : 720,045.90 = 164,440.20 : x
  2. Step 2: Convert to fraction form
    480,030.60/720,045.90 = 164,440.20/x
  3. Step 3: Cross multiply
    480,030.60x = 720,045.90 × 164,440.20
  4. Step 4: Simplify right side
    480,030.60x = 118,404,491,805.18
  5. Step 5: Solve for x
    x = 118,404,491,805.18/480,030.60
  6. Step 6: Final answer
    x = 246,660.30

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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.