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Finding the Fourth Proportional to 3,746,840.74, 5,620,275.68 and 906,948.34

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Solution

The fourth proportional to 3,746,840.74, 5,620,275.68 and 906,948.34 is: 1,360,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746,840.74 : 5,620,275.68 = 906,948.34 : x
  2. Step 2: Convert to fraction form
    3,746,840.74/5,620,275.68 = 906,948.34/x
  3. Step 3: Cross multiply
    3,746,840.74x = 5,620,275.68 × 906,948.34
  4. Step 4: Simplify right side
    3,746,840.74x = 5,097,299,672,484.36
  5. Step 5: Solve for x
    x = 5,097,299,672,484.36/3,746,840.74
  6. Step 6: Final answer
    x = 1,360,426.03

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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.