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Finding the Fourth Proportional to 668,733.30, 922,844.25 and 366,927.30

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Solution

The fourth proportional to 668,733.30, 922,844.25 and 366,927.30 is: 506,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,733.30 : 922,844.25 = 366,927.30 : x
  2. Step 2: Convert to fraction form
    668,733.30/922,844.25 = 366,927.30/x
  3. Step 3: Cross multiply
    668,733.30x = 922,844.25 × 366,927.30
  4. Step 4: Simplify right side
    668,733.30x = 338,616,748,973.03
  5. Step 5: Solve for x
    x = 338,616,748,973.03/668,733.30
  6. Step 6: Final answer
    x = 506,355.45

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Double scale
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Similar ratio
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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.