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Finding the Fourth Proportional to 1,747,931.36, 2,412,210.41 and 963,029.16

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Solution

The fourth proportional to 1,747,931.36, 2,412,210.41 and 963,029.16 is: 1,329,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,931.36 : 2,412,210.41 = 963,029.16 : x
  2. Step 2: Convert to fraction form
    1,747,931.36/2,412,210.41 = 963,029.16/x
  3. Step 3: Cross multiply
    1,747,931.36x = 2,412,210.41 × 963,029.16
  4. Step 4: Simplify right side
    1,747,931.36x = 2,323,028,960,070.41
  5. Step 5: Solve for x
    x = 2,323,028,960,070.41/1,747,931.36
  6. Step 6: Final answer
    x = 1,329,016.13

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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.