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Finding the Fourth Proportional to 590,786.40, 885,851.55 and 235,398.90

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Solution

The fourth proportional to 590,786.40, 885,851.55 and 235,398.90 is: 352,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,786.40 : 885,851.55 = 235,398.90 : x
  2. Step 2: Convert to fraction form
    590,786.40/885,851.55 = 235,398.90/x
  3. Step 3: Cross multiply
    590,786.40x = 885,851.55 × 235,398.90
  4. Step 4: Simplify right side
    590,786.40x = 208,528,480,433.30
  5. Step 5: Solve for x
    x = 208,528,480,433.30/590,786.40
  6. Step 6: Final answer
    x = 352,967.64

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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.