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Finding the Fourth Proportional to 259,322.10, 388,983.15 and 62,330.10

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Solution

The fourth proportional to 259,322.10, 388,983.15 and 62,330.10 is: 93,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,322.10 : 388,983.15 = 62,330.10 : x
  2. Step 2: Convert to fraction form
    259,322.10/388,983.15 = 62,330.10/x
  3. Step 3: Cross multiply
    259,322.10x = 388,983.15 × 62,330.10
  4. Step 4: Simplify right side
    259,322.10x = 24,245,358,637.82
  5. Step 5: Solve for x
    x = 24,245,358,637.82/259,322.10
  6. Step 6: Final answer
    x = 93,495.15

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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.