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Finding the Fourth Proportional to 1,746,358.65, 2,409,971.40 and 982,412.82

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Solution

The fourth proportional to 1,746,358.65, 2,409,971.40 and 982,412.82 is: 1,355,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,358.65 : 2,409,971.40 = 982,412.82 : x
  2. Step 2: Convert to fraction form
    1,746,358.65/2,409,971.40 = 982,412.82/x
  3. Step 3: Cross multiply
    1,746,358.65x = 2,409,971.40 × 982,412.82
  4. Step 4: Simplify right side
    1,746,358.65x = 2,367,586,799,193.35
  5. Step 5: Solve for x
    x = 2,367,586,799,193.35/1,746,358.65
  6. Step 6: Final answer
    x = 1,355,727.70

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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.