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Finding the Fourth Proportional to 264,985.48, 365,679.70 and 151,808.68

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Solution

The fourth proportional to 264,985.48, 365,679.70 and 151,808.68 is: 209,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,985.48 : 365,679.70 = 151,808.68 : x
  2. Step 2: Convert to fraction form
    264,985.48/365,679.70 = 151,808.68/x
  3. Step 3: Cross multiply
    264,985.48x = 365,679.70 × 151,808.68
  4. Step 4: Simplify right side
    264,985.48x = 55,513,352,559.80
  5. Step 5: Solve for x
    x = 55,513,352,559.80/264,985.48
  6. Step 6: Final answer
    x = 209,495.83

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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.