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Finding the Fourth Proportional to 983,404.80, 1,472,774.40 and 983,404.80

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Solution

The fourth proportional to 983,404.80, 1,472,774.40 and 983,404.80 is: 1,472,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,404.80 : 1,472,774.40 = 983,404.80 : x
  2. Step 2: Convert to fraction form
    983,404.80/1,472,774.40 = 983,404.80/x
  3. Step 3: Cross multiply
    983,404.80x = 1,472,774.40 × 983,404.80
  4. Step 4: Simplify right side
    983,404.80x = 1,448,333,414,277.12
  5. Step 5: Solve for x
    x = 1,448,333,414,277.12/983,404.80
  6. Step 6: Final answer
    x = 1,472,774.40

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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.