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Finding the Fourth Proportional to 559,228.79, 771,688.33 and 314,194.37

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Solution

The fourth proportional to 559,228.79, 771,688.33 and 314,194.37 is: 433,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,228.79 : 771,688.33 = 314,194.37 : x
  2. Step 2: Convert to fraction form
    559,228.79/771,688.33 = 314,194.37/x
  3. Step 3: Cross multiply
    559,228.79x = 771,688.33 × 314,194.37
  4. Step 4: Simplify right side
    559,228.79x = 242,460,124,036.78
  5. Step 5: Solve for x
    x = 242,460,124,036.78/559,228.79
  6. Step 6: Final answer
    x = 433,561.59

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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.