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Finding the Fourth Proportional to 668,216.64, 922,145.55 and 362,292.19

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Solution

The fourth proportional to 668,216.64, 922,145.55 and 362,292.19 is: 499,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,216.64 : 922,145.55 = 362,292.19 : x
  2. Step 2: Convert to fraction form
    668,216.64/922,145.55 = 362,292.19/x
  3. Step 3: Cross multiply
    668,216.64x = 922,145.55 × 362,292.19
  4. Step 4: Simplify right side
    668,216.64x = 334,086,130,808.26
  5. Step 5: Solve for x
    x = 334,086,130,808.26/668,216.64
  6. Step 6: Final answer
    x = 499,966.79

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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.