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Finding the Fourth Proportional to 602,173.64, 830,958.30 and 330,185.08

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Solution

The fourth proportional to 602,173.64, 830,958.30 and 330,185.08 is: 455,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,173.64 : 830,958.30 = 330,185.08 : x
  2. Step 2: Convert to fraction form
    602,173.64/830,958.30 = 330,185.08/x
  3. Step 3: Cross multiply
    602,173.64x = 830,958.30 × 330,185.08
  4. Step 4: Simplify right side
    602,173.64x = 274,370,032,762.16
  5. Step 5: Solve for x
    x = 274,370,032,762.16/602,173.64
  6. Step 6: Final answer
    x = 455,632.75

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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.