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Finding the Fourth Proportional to 424,145, 585,307.62 and 242,850.92

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Solution

The fourth proportional to 424,145, 585,307.62 and 242,850.92 is: 335,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,145 : 585,307.62 = 242,850.92 : x
  2. Step 2: Convert to fraction form
    424,145/585,307.62 = 242,850.92/x
  3. Step 3: Cross multiply
    424,145x = 585,307.62 × 242,850.92
  4. Step 4: Simplify right side
    424,145x = 142,142,494,000.01
  5. Step 5: Solve for x
    x = 142,142,494,000.01/424,145
  6. Step 6: Final answer
    x = 335,127.12

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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.