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Finding the Fourth Proportional to 607,193.46, 909,571.95 and 557,589.06

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Solution

The fourth proportional to 607,193.46, 909,571.95 and 557,589.06 is: 835,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,193.46 : 909,571.95 = 557,589.06 : x
  2. Step 2: Convert to fraction form
    607,193.46/909,571.95 = 557,589.06/x
  3. Step 3: Cross multiply
    607,193.46x = 909,571.95 × 557,589.06
  4. Step 4: Simplify right side
    607,193.46x = 507,167,368,602.87
  5. Step 5: Solve for x
    x = 507,167,368,602.87/607,193.46
  6. Step 6: Final answer
    x = 835,264.87

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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.