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Finding the Fourth Proportional to 611,805.16, 844,598.10 and 382,489.84

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Solution

The fourth proportional to 611,805.16, 844,598.10 and 382,489.84 is: 528,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,805.16 : 844,598.10 = 382,489.84 : x
  2. Step 2: Convert to fraction form
    611,805.16/844,598.10 = 382,489.84/x
  3. Step 3: Cross multiply
    611,805.16x = 844,598.10 × 382,489.84
  4. Step 4: Simplify right side
    611,805.16x = 323,050,192,133.30
  5. Step 5: Solve for x
    x = 323,050,192,133.30/611,805.16
  6. Step 6: Final answer
    x = 528,027.90

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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.