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Finding the Fourth Proportional to 355,776.15, 491,117.16 and 241,211.70

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Solution

The fourth proportional to 355,776.15, 491,117.16 and 241,211.70 is: 332,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,776.15 : 491,117.16 = 241,211.70 : x
  2. Step 2: Convert to fraction form
    355,776.15/491,117.16 = 241,211.70/x
  3. Step 3: Cross multiply
    355,776.15x = 491,117.16 × 241,211.70
  4. Step 4: Simplify right side
    355,776.15x = 118,463,205,062.77
  5. Step 5: Solve for x
    x = 118,463,205,062.77/355,776.15
  6. Step 6: Final answer
    x = 332,971.18

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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.