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Finding the Fourth Proportional to 320,702.76, 442,616.52 and 184,710.24

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Solution

The fourth proportional to 320,702.76, 442,616.52 and 184,710.24 is: 254,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,702.76 : 442,616.52 = 184,710.24 : x
  2. Step 2: Convert to fraction form
    320,702.76/442,616.52 = 184,710.24/x
  3. Step 3: Cross multiply
    320,702.76x = 442,616.52 × 184,710.24
  4. Step 4: Simplify right side
    320,702.76x = 81,755,803,637.16
  5. Step 5: Solve for x
    x = 81,755,803,637.16/320,702.76
  6. Step 6: Final answer
    x = 254,927.03

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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.