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Finding the Fourth Proportional to 2,774,547, 4,161,820.68 and 780,003

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Solution

The fourth proportional to 2,774,547, 4,161,820.68 and 780,003 is: 1,170,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,547 : 4,161,820.68 = 780,003 : x
  2. Step 2: Convert to fraction form
    2,774,547/4,161,820.68 = 780,003/x
  3. Step 3: Cross multiply
    2,774,547x = 4,161,820.68 × 780,003
  4. Step 4: Simplify right side
    2,774,547x = 3,246,232,615,862.04
  5. Step 5: Solve for x
    x = 3,246,232,615,862.04/2,774,547
  6. Step 6: Final answer
    x = 1,170,004.55

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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.