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Finding the Fourth Proportional to 590,316.66, 885,257.64 and 211,134.60

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Solution

The fourth proportional to 590,316.66, 885,257.64 and 211,134.60 is: 316,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,316.66 : 885,257.64 = 211,134.60 : x
  2. Step 2: Convert to fraction form
    590,316.66/885,257.64 = 211,134.60/x
  3. Step 3: Cross multiply
    590,316.66x = 885,257.64 × 211,134.60
  4. Step 4: Simplify right side
    590,316.66x = 186,908,517,718.34
  5. Step 5: Solve for x
    x = 186,908,517,718.34/590,316.66
  6. Step 6: Final answer
    x = 316,624.16

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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.