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Finding the Fourth Proportional to 670,522.88, 1,005,784 and 197,208.24

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Solution

The fourth proportional to 670,522.88, 1,005,784 and 197,208.24 is: 295,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,522.88 : 1,005,784 = 197,208.24 : x
  2. Step 2: Convert to fraction form
    670,522.88/1,005,784 = 197,208.24/x
  3. Step 3: Cross multiply
    670,522.88x = 1,005,784 × 197,208.24
  4. Step 4: Simplify right side
    670,522.88x = 198,348,892,460.16
  5. Step 5: Solve for x
    x = 198,348,892,460.16/670,522.88
  6. Step 6: Final answer
    x = 295,812.27

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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.