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Finding the Fourth Proportional to 668,888.52, 922,803.37 and 382,254.83

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Solution

The fourth proportional to 668,888.52, 922,803.37 and 382,254.83 is: 527,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,888.52 : 922,803.37 = 382,254.83 : x
  2. Step 2: Convert to fraction form
    668,888.52/922,803.37 = 382,254.83/x
  3. Step 3: Cross multiply
    668,888.52x = 922,803.37 × 382,254.83
  4. Step 4: Simplify right side
    668,888.52x = 352,746,043,213.64
  5. Step 5: Solve for x
    x = 352,746,043,213.64/668,888.52
  6. Step 6: Final answer
    x = 527,361.49

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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.