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Finding the Fourth Proportional to 568,296.40, 852,905.40 and 549,864.40

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Solution

The fourth proportional to 568,296.40, 852,905.40 and 549,864.40 is: 825,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,296.40 : 852,905.40 = 549,864.40 : x
  2. Step 2: Convert to fraction form
    568,296.40/852,905.40 = 549,864.40/x
  3. Step 3: Cross multiply
    568,296.40x = 852,905.40 × 549,864.40
  4. Step 4: Simplify right side
    568,296.40x = 468,982,316,027.76
  5. Step 5: Solve for x
    x = 468,982,316,027.76/568,296.40
  6. Step 6: Final answer
    x = 825,242.45

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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.