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Finding the Fourth Proportional to 644,094.32, 888,877.94 and 357,614.40

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Solution

The fourth proportional to 644,094.32, 888,877.94 and 357,614.40 is: 493,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,094.32 : 888,877.94 = 357,614.40 : x
  2. Step 2: Convert to fraction form
    644,094.32/888,877.94 = 357,614.40/x
  3. Step 3: Cross multiply
    644,094.32x = 888,877.94 × 357,614.40
  4. Step 4: Simplify right side
    644,094.32x = 317,875,551,186.34
  5. Step 5: Solve for x
    x = 317,875,551,186.34/644,094.32
  6. Step 6: Final answer
    x = 493,523.30

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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.