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Finding the Fourth Proportional to 674,994.60, 1,013,658.30 and 360,066.60

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Solution

The fourth proportional to 674,994.60, 1,013,658.30 and 360,066.60 is: 540,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,994.60 : 1,013,658.30 = 360,066.60 : x
  2. Step 2: Convert to fraction form
    674,994.60/1,013,658.30 = 360,066.60/x
  3. Step 3: Cross multiply
    674,994.60x = 1,013,658.30 × 360,066.60
  4. Step 4: Simplify right side
    674,994.60x = 364,984,497,642.78
  5. Step 5: Solve for x
    x = 364,984,497,642.78/674,994.60
  6. Step 6: Final answer
    x = 540,722.10

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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.