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Finding the Fourth Proportional to 668,247.93, 922,181.61 and 362,334.45

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Solution

The fourth proportional to 668,247.93, 922,181.61 and 362,334.45 is: 500,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,247.93 : 922,181.61 = 362,334.45 : x
  2. Step 2: Convert to fraction form
    668,247.93/922,181.61 = 362,334.45/x
  3. Step 3: Cross multiply
    668,247.93x = 922,181.61 × 362,334.45
  4. Step 4: Simplify right side
    668,247.93x = 334,138,166,459.47
  5. Step 5: Solve for x
    x = 334,138,166,459.47/668,247.93
  6. Step 6: Final answer
    x = 500,021.25

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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.