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Finding the Fourth Proportional to 600,548.49, 828,720.45 and 342,389.34

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Solution

The fourth proportional to 600,548.49, 828,720.45 and 342,389.34 is: 472,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,548.49 : 828,720.45 = 342,389.34 : x
  2. Step 2: Convert to fraction form
    600,548.49/828,720.45 = 342,389.34/x
  3. Step 3: Cross multiply
    600,548.49x = 828,720.45 × 342,389.34
  4. Step 4: Simplify right side
    600,548.49x = 283,745,047,920.00
  5. Step 5: Solve for x
    x = 283,745,047,920.00/600,548.49
  6. Step 6: Final answer
    x = 472,476.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.