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Finding the Fourth Proportional to 602,082.22, 830,899.74 and 360,318.82

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Solution

The fourth proportional to 602,082.22, 830,899.74 and 360,318.82 is: 497,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,082.22 : 830,899.74 = 360,318.82 : x
  2. Step 2: Convert to fraction form
    602,082.22/830,899.74 = 360,318.82/x
  3. Step 3: Cross multiply
    602,082.22x = 830,899.74 × 360,318.82
  4. Step 4: Simplify right side
    602,082.22x = 299,388,813,855.11
  5. Step 5: Solve for x
    x = 299,388,813,855.11/602,082.22
  6. Step 6: Final answer
    x = 497,255.70

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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.