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Finding the Fourth Proportional to 1,318,563.04, 1,975,798.48 and 914,544.24

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Solution

The fourth proportional to 1,318,563.04, 1,975,798.48 and 914,544.24 is: 1,370,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,563.04 : 1,975,798.48 = 914,544.24 : x
  2. Step 2: Convert to fraction form
    1,318,563.04/1,975,798.48 = 914,544.24/x
  3. Step 3: Cross multiply
    1,318,563.04x = 1,975,798.48 × 914,544.24
  4. Step 4: Simplify right side
    1,318,563.04x = 1,806,955,119,284.76
  5. Step 5: Solve for x
    x = 1,806,955,119,284.76/1,318,563.04
  6. Step 6: Final answer
    x = 1,370,397.22

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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.