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Finding the Fourth Proportional to 585,321.24, 877,938.12 and 211,344.24

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Solution

The fourth proportional to 585,321.24, 877,938.12 and 211,344.24 is: 317,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,321.24 : 877,938.12 = 211,344.24 : x
  2. Step 2: Convert to fraction form
    585,321.24/877,938.12 = 211,344.24/x
  3. Step 3: Cross multiply
    585,321.24x = 877,938.12 × 211,344.24
  4. Step 4: Simplify right side
    585,321.24x = 185,547,164,738.43
  5. Step 5: Solve for x
    x = 185,547,164,738.43/585,321.24
  6. Step 6: Final answer
    x = 317,000.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.