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Finding the Fourth Proportional to 423,797.51, 584,851.12 and 230,205.17

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Solution

The fourth proportional to 423,797.51, 584,851.12 and 230,205.17 is: 317,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,797.51 : 584,851.12 = 230,205.17 : x
  2. Step 2: Convert to fraction form
    423,797.51/584,851.12 = 230,205.17/x
  3. Step 3: Cross multiply
    423,797.51x = 584,851.12 × 230,205.17
  4. Step 4: Simplify right side
    423,797.51x = 134,635,748,004.52
  5. Step 5: Solve for x
    x = 134,635,748,004.52/423,797.51
  6. Step 6: Final answer
    x = 317,688.86

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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.