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Finding the Fourth Proportional to 481,430.02, 721,875.06 and 329,798.42

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Solution

The fourth proportional to 481,430.02, 721,875.06 and 329,798.42 is: 494,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,430.02 : 721,875.06 = 329,798.42 : x
  2. Step 2: Convert to fraction form
    481,430.02/721,875.06 = 329,798.42/x
  3. Step 3: Cross multiply
    481,430.02x = 721,875.06 × 329,798.42
  4. Step 4: Simplify right side
    481,430.02x = 238,073,254,225.41
  5. Step 5: Solve for x
    x = 238,073,254,225.41/481,430.02
  6. Step 6: Final answer
    x = 494,512.69

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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.