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Finding the Fourth Proportional to 603,133.40, 832,265.16 and 348,479.12

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Solution

The fourth proportional to 603,133.40, 832,265.16 and 348,479.12 is: 480,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,133.40 : 832,265.16 = 348,479.12 : x
  2. Step 2: Convert to fraction form
    603,133.40/832,265.16 = 348,479.12/x
  3. Step 3: Cross multiply
    603,133.40x = 832,265.16 × 348,479.12
  4. Step 4: Simplify right side
    603,133.40x = 290,027,030,563.46
  5. Step 5: Solve for x
    x = 290,027,030,563.46/603,133.40
  6. Step 6: Final answer
    x = 480,867.14

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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.