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Finding the Fourth Proportional to 1,168,541.22, 1,748,199.96 and 885,048.60

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Solution

The fourth proportional to 1,168,541.22, 1,748,199.96 and 885,048.60 is: 1,324,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,541.22 : 1,748,199.96 = 885,048.60 : x
  2. Step 2: Convert to fraction form
    1,168,541.22/1,748,199.96 = 885,048.60/x
  3. Step 3: Cross multiply
    1,168,541.22x = 1,748,199.96 × 885,048.60
  4. Step 4: Simplify right side
    1,168,541.22x = 1,547,241,927,118.06
  5. Step 5: Solve for x
    x = 1,547,241,927,118.06/1,168,541.22
  6. Step 6: Final answer
    x = 1,324,079.89

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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.