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Finding the Fourth Proportional to 983,493.30, 1,472,907.15 and 983,493.30

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Solution

The fourth proportional to 983,493.30, 1,472,907.15 and 983,493.30 is: 1,472,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,493.30 : 1,472,907.15 = 983,493.30 : x
  2. Step 2: Convert to fraction form
    983,493.30/1,472,907.15 = 983,493.30/x
  3. Step 3: Cross multiply
    983,493.30x = 1,472,907.15 × 983,493.30
  4. Step 4: Simplify right side
    983,493.30x = 1,448,594,313,547.10
  5. Step 5: Solve for x
    x = 1,448,594,313,547.10/983,493.30
  6. Step 6: Final answer
    x = 1,472,907.15

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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.