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Finding the Fourth Proportional to 336,010.80, 504,005.40 and 111,381.60

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Solution

The fourth proportional to 336,010.80, 504,005.40 and 111,381.60 is: 167,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,010.80 : 504,005.40 = 111,381.60 : x
  2. Step 2: Convert to fraction form
    336,010.80/504,005.40 = 111,381.60/x
  3. Step 3: Cross multiply
    336,010.80x = 504,005.40 × 111,381.60
  4. Step 4: Simplify right side
    336,010.80x = 56,136,927,860.64
  5. Step 5: Solve for x
    x = 56,136,927,860.64/336,010.80
  6. Step 6: Final answer
    x = 167,068.82

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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.