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Finding the Fourth Proportional to 601,621.59, 830,158.86 and 359,815.93

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Solution

The fourth proportional to 601,621.59, 830,158.86 and 359,815.93 is: 496,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,621.59 : 830,158.86 = 359,815.93 : x
  2. Step 2: Convert to fraction form
    601,621.59/830,158.86 = 359,815.93/x
  3. Step 3: Cross multiply
    601,621.59x = 830,158.86 × 359,815.93
  4. Step 4: Simplify right side
    601,621.59x = 298,704,382,258.64
  5. Step 5: Solve for x
    x = 298,704,382,258.64/601,621.59
  6. Step 6: Final answer
    x = 496,498.77

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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.