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Finding the Fourth Proportional to 1,784,953.60, 2,673,493.80 and 942,521.20

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Solution

The fourth proportional to 1,784,953.60, 2,673,493.80 and 942,521.20 is: 1,411,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,953.60 : 2,673,493.80 = 942,521.20 : x
  2. Step 2: Convert to fraction form
    1,784,953.60/2,673,493.80 = 942,521.20/x
  3. Step 3: Cross multiply
    1,784,953.60x = 2,673,493.80 × 942,521.20
  4. Step 4: Simplify right side
    1,784,953.60x = 2,519,824,584,568.56
  5. Step 5: Solve for x
    x = 2,519,824,584,568.56/1,784,953.60
  6. Step 6: Final answer
    x = 1,411,703.13

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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.