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Finding the Fourth Proportional to 229,307.40, 343,961.10 and 173,320.20

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Solution

The fourth proportional to 229,307.40, 343,961.10 and 173,320.20 is: 259,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,307.40 : 343,961.10 = 173,320.20 : x
  2. Step 2: Convert to fraction form
    229,307.40/343,961.10 = 173,320.20/x
  3. Step 3: Cross multiply
    229,307.40x = 343,961.10 × 173,320.20
  4. Step 4: Simplify right side
    229,307.40x = 59,615,406,644.22
  5. Step 5: Solve for x
    x = 59,615,406,644.22/229,307.40
  6. Step 6: Final answer
    x = 259,980.30

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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.