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Finding the Fourth Proportional to 605,655.50, 908,483.34 and 162,423.50

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Solution

The fourth proportional to 605,655.50, 908,483.34 and 162,423.50 is: 243,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,655.50 : 908,483.34 = 162,423.50 : x
  2. Step 2: Convert to fraction form
    605,655.50/908,483.34 = 162,423.50/x
  3. Step 3: Cross multiply
    605,655.50x = 908,483.34 × 162,423.50
  4. Step 4: Simplify right side
    605,655.50x = 147,559,043,774.49
  5. Step 5: Solve for x
    x = 147,559,043,774.49/605,655.50
  6. Step 6: Final answer
    x = 243,635.27

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1.5x scale

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.