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Finding the Fourth Proportional to 577,928.40, 797,856.12 and 348,526.68

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Solution

The fourth proportional to 577,928.40, 797,856.12 and 348,526.68 is: 481,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,928.40 : 797,856.12 = 348,526.68 : x
  2. Step 2: Convert to fraction form
    577,928.40/797,856.12 = 348,526.68/x
  3. Step 3: Cross multiply
    577,928.40x = 797,856.12 × 348,526.68
  4. Step 4: Simplify right side
    577,928.40x = 278,074,144,621.28
  5. Step 5: Solve for x
    x = 278,074,144,621.28/577,928.40
  6. Step 6: Final answer
    x = 481,156.74

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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.