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Finding the Fourth Proportional to 590,502.60, 885,149.10 and 290,521.80

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Solution

The fourth proportional to 590,502.60, 885,149.10 and 290,521.80 is: 435,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,502.60 : 885,149.10 = 290,521.80 : x
  2. Step 2: Convert to fraction form
    590,502.60/885,149.10 = 290,521.80/x
  3. Step 3: Cross multiply
    590,502.60x = 885,149.10 × 290,521.80
  4. Step 4: Simplify right side
    590,502.60x = 257,155,109,800.38
  5. Step 5: Solve for x
    x = 257,155,109,800.38/590,502.60
  6. Step 6: Final answer
    x = 435,485.14

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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.