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Finding the Fourth Proportional to 424,303.64, 585,393.38 and 263,100.68

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Solution

The fourth proportional to 424,303.64, 585,393.38 and 263,100.68 is: 362,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,303.64 : 585,393.38 = 263,100.68 : x
  2. Step 2: Convert to fraction form
    424,303.64/585,393.38 = 263,100.68/x
  3. Step 3: Cross multiply
    424,303.64x = 585,393.38 × 263,100.68
  4. Step 4: Simplify right side
    424,303.64x = 154,017,396,345.50
  5. Step 5: Solve for x
    x = 154,017,396,345.50/424,303.64
  6. Step 6: Final answer
    x = 362,988.63

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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.