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Finding the Fourth Proportional to 550,656.50, 824,911.40 and 310,034.90

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Solution

The fourth proportional to 550,656.50, 824,911.40 and 310,034.90 is: 464,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,656.50 : 824,911.40 = 310,034.90 : x
  2. Step 2: Convert to fraction form
    550,656.50/824,911.40 = 310,034.90/x
  3. Step 3: Cross multiply
    550,656.50x = 824,911.40 × 310,034.90
  4. Step 4: Simplify right side
    550,656.50x = 255,751,320,881.05
  5. Step 5: Solve for x
    x = 255,751,320,881.05/550,656.50
  6. Step 6: Final answer
    x = 464,448.02

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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.