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Finding the Fourth Proportional to 693,617.34, 957,162.51 and 435,629.10

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Solution

The fourth proportional to 693,617.34, 957,162.51 and 435,629.10 is: 601,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,617.34 : 957,162.51 = 435,629.10 : x
  2. Step 2: Convert to fraction form
    693,617.34/957,162.51 = 435,629.10/x
  3. Step 3: Cross multiply
    693,617.34x = 957,162.51 × 435,629.10
  4. Step 4: Simplify right side
    693,617.34x = 416,967,842,785.04
  5. Step 5: Solve for x
    x = 416,967,842,785.04/693,617.34
  6. Step 6: Final answer
    x = 601,149.68

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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.