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Finding the Fourth Proportional to 578,533.00, 798,353.48 and 316,884.15

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Solution

The fourth proportional to 578,533.00, 798,353.48 and 316,884.15 is: 437,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,533.00 : 798,353.48 = 316,884.15 : x
  2. Step 2: Convert to fraction form
    578,533.00/798,353.48 = 316,884.15/x
  3. Step 3: Cross multiply
    578,533.00x = 798,353.48 × 316,884.15
  4. Step 4: Simplify right side
    578,533.00x = 252,985,564,701.55
  5. Step 5: Solve for x
    x = 252,985,564,701.55/578,533.00
  6. Step 6: Final answer
    x = 437,288.05

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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.