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Finding the Fourth Proportional to 668,730.30, 922,840.11 and 366,924.30

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Solution

The fourth proportional to 668,730.30, 922,840.11 and 366,924.30 is: 506,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,730.30 : 922,840.11 = 366,924.30 : x
  2. Step 2: Convert to fraction form
    668,730.30/922,840.11 = 366,924.30/x
  3. Step 3: Cross multiply
    668,730.30x = 922,840.11 × 366,924.30
  4. Step 4: Simplify right side
    668,730.30x = 338,612,461,373.67
  5. Step 5: Solve for x
    x = 338,612,461,373.67/668,730.30
  6. Step 6: Final answer
    x = 506,351.31

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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.