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Finding the Fourth Proportional to 584,981.16, 877,360.78 and 285,160.20

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Solution

The fourth proportional to 584,981.16, 877,360.78 and 285,160.20 is: 427,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,981.16 : 877,360.78 = 285,160.20 : x
  2. Step 2: Convert to fraction form
    584,981.16/877,360.78 = 285,160.20/x
  3. Step 3: Cross multiply
    584,981.16x = 877,360.78 × 285,160.20
  4. Step 4: Simplify right side
    584,981.16x = 250,188,375,496.96
  5. Step 5: Solve for x
    x = 250,188,375,496.96/584,981.16
  6. Step 6: Final answer
    x = 427,686.21

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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.