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Finding the Fourth Proportional to 668,714.52, 922,825.93 and 382,240.75

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Solution

The fourth proportional to 668,714.52, 922,825.93 and 382,240.75 is: 527,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,714.52 : 922,825.93 = 382,240.75 : x
  2. Step 2: Convert to fraction form
    668,714.52/922,825.93 = 382,240.75/x
  3. Step 3: Cross multiply
    668,714.52x = 922,825.93 × 382,240.75
  4. Step 4: Simplify right side
    668,714.52x = 352,741,675,602.65
  5. Step 5: Solve for x
    x = 352,741,675,602.65/668,714.52
  6. Step 6: Final answer
    x = 527,492.17

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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.