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Finding the Fourth Proportional to 369,809.42, 510,174.90 and 216,770.02

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Solution

The fourth proportional to 369,809.42, 510,174.90 and 216,770.02 is: 299,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,809.42 : 510,174.90 = 216,770.02 : x
  2. Step 2: Convert to fraction form
    369,809.42/510,174.90 = 216,770.02/x
  3. Step 3: Cross multiply
    369,809.42x = 510,174.90 × 216,770.02
  4. Step 4: Simplify right side
    369,809.42x = 110,590,623,276.50
  5. Step 5: Solve for x
    x = 110,590,623,276.50/369,809.42
  6. Step 6: Final answer
    x = 299,047.61

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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.