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Finding the Fourth Proportional to 483,607.40, 724,698.30 and 350,767.40

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Solution

The fourth proportional to 483,607.40, 724,698.30 and 350,767.40 is: 525,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,607.40 : 724,698.30 = 350,767.40 : x
  2. Step 2: Convert to fraction form
    483,607.40/724,698.30 = 350,767.40/x
  3. Step 3: Cross multiply
    483,607.40x = 724,698.30 × 350,767.40
  4. Step 4: Simplify right side
    483,607.40x = 254,200,538,475.42
  5. Step 5: Solve for x
    x = 254,200,538,475.42/483,607.40
  6. Step 6: Final answer
    x = 525,634.10

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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.