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Finding the Fourth Proportional to 566,216.36, 781,354.98 and 308,094.32

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Solution

The fourth proportional to 566,216.36, 781,354.98 and 308,094.32 is: 425,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,216.36 : 781,354.98 = 308,094.32 : x
  2. Step 2: Convert to fraction form
    566,216.36/781,354.98 = 308,094.32/x
  3. Step 3: Cross multiply
    566,216.36x = 781,354.98 × 308,094.32
  4. Step 4: Simplify right side
    566,216.36x = 240,731,031,241.71
  5. Step 5: Solve for x
    x = 240,731,031,241.71/566,216.36
  6. Step 6: Final answer
    x = 425,157.32

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1.5x scale

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.