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Finding the Fourth Proportional to 603,275.22, 832,427.16 and 348,577.20

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Solution

The fourth proportional to 603,275.22, 832,427.16 and 348,577.20 is: 480,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,275.22 : 832,427.16 = 348,577.20 : x
  2. Step 2: Convert to fraction form
    603,275.22/832,427.16 = 348,577.20/x
  3. Step 3: Cross multiply
    603,275.22x = 832,427.16 × 348,577.20
  4. Step 4: Simplify right side
    603,275.22x = 290,165,128,636.75
  5. Step 5: Solve for x
    x = 290,165,128,636.75/603,275.22
  6. Step 6: Final answer
    x = 480,983.01

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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.