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Finding the Fourth Proportional to 483,794.10, 724,816.35 and 413,810.10

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Solution

The fourth proportional to 483,794.10, 724,816.35 and 413,810.10 is: 619,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,794.10 : 724,816.35 = 413,810.10 : x
  2. Step 2: Convert to fraction form
    483,794.10/724,816.35 = 413,810.10/x
  3. Step 3: Cross multiply
    483,794.10x = 724,816.35 × 413,810.10
  4. Step 4: Simplify right side
    483,794.10x = 299,936,326,275.14
  5. Step 5: Solve for x
    x = 299,936,326,275.14/483,794.10
  6. Step 6: Final answer
    x = 619,966.90

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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.