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Finding the Fourth Proportional to 605,368.55, 835,408.55 and 350,867.36

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Solution

The fourth proportional to 605,368.55, 835,408.55 and 350,867.36 is: 484,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,368.55 : 835,408.55 = 350,867.36 : x
  2. Step 2: Convert to fraction form
    605,368.55/835,408.55 = 350,867.36/x
  3. Step 3: Cross multiply
    605,368.55x = 835,408.55 × 350,867.36
  4. Step 4: Simplify right side
    605,368.55x = 293,117,592,459.93
  5. Step 5: Solve for x
    x = 293,117,592,459.93/605,368.55
  6. Step 6: Final answer
    x = 484,196.93

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1.5x scale

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.