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Finding the Fourth Proportional to 467,500.70, 699,501.45 and 310,036.70

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Solution

The fourth proportional to 467,500.70, 699,501.45 and 310,036.70 is: 463,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,500.70 : 699,501.45 = 310,036.70 : x
  2. Step 2: Convert to fraction form
    467,500.70/699,501.45 = 310,036.70/x
  3. Step 3: Cross multiply
    467,500.70x = 699,501.45 × 310,036.70
  4. Step 4: Simplify right side
    467,500.70x = 216,871,121,203.22
  5. Step 5: Solve for x
    x = 216,871,121,203.22/467,500.70
  6. Step 6: Final answer
    x = 463,894.75

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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.