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Finding the Fourth Proportional to 601,561.62, 830,130.66 and 359,701.56

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Solution

The fourth proportional to 601,561.62, 830,130.66 and 359,701.56 is: 496,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,561.62 : 830,130.66 = 359,701.56 : x
  2. Step 2: Convert to fraction form
    601,561.62/830,130.66 = 359,701.56/x
  3. Step 3: Cross multiply
    601,561.62x = 830,130.66 × 359,701.56
  4. Step 4: Simplify right side
    601,561.62x = 298,599,293,405.83
  5. Step 5: Solve for x
    x = 298,599,293,405.83/601,561.62
  6. Step 6: Final answer
    x = 496,373.58

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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.