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Finding the Fourth Proportional to 349,572.08, 482,412.84 and 198,670.16

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Solution

The fourth proportional to 349,572.08, 482,412.84 and 198,670.16 is: 274,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,572.08 : 482,412.84 = 198,670.16 : x
  2. Step 2: Convert to fraction form
    349,572.08/482,412.84 = 198,670.16/x
  3. Step 3: Cross multiply
    349,572.08x = 482,412.84 × 198,670.16
  4. Step 4: Simplify right side
    349,572.08x = 95,841,036,108.85
  5. Step 5: Solve for x
    x = 95,841,036,108.85/349,572.08
  6. Step 6: Final answer
    x = 274,166.74

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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.