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Finding the Fourth Proportional to 602,111.67, 830,913.57 and 330,183.87

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Solution

The fourth proportional to 602,111.67, 830,913.57 and 330,183.87 is: 455,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,111.67 : 830,913.57 = 330,183.87 : x
  2. Step 2: Convert to fraction form
    602,111.67/830,913.57 = 330,183.87/x
  3. Step 3: Cross multiply
    602,111.67x = 830,913.57 × 330,183.87
  4. Step 4: Simplify right side
    602,111.67x = 274,354,258,178.12
  5. Step 5: Solve for x
    x = 274,354,258,178.12/602,111.67
  6. Step 6: Final answer
    x = 455,653.45

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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.