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Finding the Fourth Proportional to 412,423.98, 569,118.15 and 242,625.30

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Solution

The fourth proportional to 412,423.98, 569,118.15 and 242,625.30 is: 334,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,423.98 : 569,118.15 = 242,625.30 : x
  2. Step 2: Convert to fraction form
    412,423.98/569,118.15 = 242,625.30/x
  3. Step 3: Cross multiply
    412,423.98x = 569,118.15 × 242,625.30
  4. Step 4: Simplify right side
    412,423.98x = 138,082,461,879.20
  5. Step 5: Solve for x
    x = 138,082,461,879.20/412,423.98
  6. Step 6: Final answer
    x = 334,807.06

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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.