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Finding the Fourth Proportional to 976,098.80, 1,463,710.80 and 376,860.80

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Solution

The fourth proportional to 976,098.80, 1,463,710.80 and 376,860.80 is: 565,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,098.80 : 1,463,710.80 = 376,860.80 : x
  2. Step 2: Convert to fraction form
    976,098.80/1,463,710.80 = 376,860.80/x
  3. Step 3: Cross multiply
    976,098.80x = 1,463,710.80 × 376,860.80
  4. Step 4: Simplify right side
    976,098.80x = 551,615,223,056.64
  5. Step 5: Solve for x
    x = 551,615,223,056.64/976,098.80
  6. Step 6: Final answer
    x = 565,122.32

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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.