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Finding the Fourth Proportional to 352,256.65, 486,116.94 and 207,023.45

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Solution

The fourth proportional to 352,256.65, 486,116.94 and 207,023.45 is: 285,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,256.65 : 486,116.94 = 207,023.45 : x
  2. Step 2: Convert to fraction form
    352,256.65/486,116.94 = 207,023.45/x
  3. Step 3: Cross multiply
    352,256.65x = 486,116.94 × 207,023.45
  4. Step 4: Simplify right side
    352,256.65x = 100,637,604,368.00
  5. Step 5: Solve for x
    x = 100,637,604,368.00/352,256.65
  6. Step 6: Final answer
    x = 285,693.98

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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.