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Finding the Fourth Proportional to 1,786,528.94, 2,465,132.40 and 1,061,358.02

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Solution

The fourth proportional to 1,786,528.94, 2,465,132.40 and 1,061,358.02 is: 1,464,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,528.94 : 2,465,132.40 = 1,061,358.02 : x
  2. Step 2: Convert to fraction form
    1,786,528.94/2,465,132.40 = 1,061,358.02/x
  3. Step 3: Cross multiply
    1,786,528.94x = 2,465,132.40 × 1,061,358.02
  4. Step 4: Simplify right side
    1,786,528.94x = 2,616,388,030,776.19
  5. Step 5: Solve for x
    x = 2,616,388,030,776.19/1,786,528.94
  6. Step 6: Final answer
    x = 1,464,509.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.