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Finding the Fourth Proportional to 702,424.95, 969,349.44 and 380,135.06

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Solution

The fourth proportional to 702,424.95, 969,349.44 and 380,135.06 is: 524,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,424.95 : 969,349.44 = 380,135.06 : x
  2. Step 2: Convert to fraction form
    702,424.95/969,349.44 = 380,135.06/x
  3. Step 3: Cross multiply
    702,424.95x = 969,349.44 × 380,135.06
  4. Step 4: Simplify right side
    702,424.95x = 368,483,707,535.37
  5. Step 5: Solve for x
    x = 368,483,707,535.37/702,424.95
  6. Step 6: Final answer
    x = 524,588.01

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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.