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Finding the Fourth Proportional to 1,812,632.74, 2,713,035.03 and 1,332,733.30

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Solution

The fourth proportional to 1,812,632.74, 2,713,035.03 and 1,332,733.30 is: 1,994,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,632.74 : 2,713,035.03 = 1,332,733.30 : x
  2. Step 2: Convert to fraction form
    1,812,632.74/2,713,035.03 = 1,332,733.30/x
  3. Step 3: Cross multiply
    1,812,632.74x = 2,713,035.03 × 1,332,733.30
  4. Step 4: Simplify right side
    1,812,632.74x = 3,615,752,128,547.50
  5. Step 5: Solve for x
    x = 3,615,752,128,547.50/1,812,632.74
  6. Step 6: Final answer
    x = 1,994,751.64

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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.