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Finding the Fourth Proportional to 1,006,984.80, 1,510,477.20 and 968,277.60

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Solution

The fourth proportional to 1,006,984.80, 1,510,477.20 and 968,277.60 is: 1,452,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,984.80 : 1,510,477.20 = 968,277.60 : x
  2. Step 2: Convert to fraction form
    1,006,984.80/1,510,477.20 = 968,277.60/x
  3. Step 3: Cross multiply
    1,006,984.80x = 1,510,477.20 × 968,277.60
  4. Step 4: Simplify right side
    1,006,984.80x = 1,462,561,238,070.72
  5. Step 5: Solve for x
    x = 1,462,561,238,070.72/1,006,984.80
  6. Step 6: Final answer
    x = 1,452,416.40

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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.