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Finding the Fourth Proportional to 590,254.61, 885,409.61 and 190,926.54

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Solution

The fourth proportional to 590,254.61, 885,409.61 and 190,926.54 is: 286,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,254.61 : 885,409.61 = 190,926.54 : x
  2. Step 2: Convert to fraction form
    590,254.61/885,409.61 = 190,926.54/x
  3. Step 3: Cross multiply
    590,254.61x = 885,409.61 × 190,926.54
  4. Step 4: Simplify right side
    590,254.61x = 169,048,192,365.42
  5. Step 5: Solve for x
    x = 169,048,192,365.42/590,254.61
  6. Step 6: Final answer
    x = 286,398.77

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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.