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Finding the Fourth Proportional to 668,185, 922,095.36 and 366,385.48

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Solution

The fourth proportional to 668,185, 922,095.36 and 366,385.48 is: 505,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,185 : 922,095.36 = 366,385.48 : x
  2. Step 2: Convert to fraction form
    668,185/922,095.36 = 366,385.48/x
  3. Step 3: Cross multiply
    668,185x = 922,095.36 × 366,385.48
  4. Step 4: Simplify right side
    668,185x = 337,842,351,079.37
  5. Step 5: Solve for x
    x = 337,842,351,079.37/668,185
  6. Step 6: Final answer
    x = 505,612.00

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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.