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Finding the Fourth Proportional to 562,256.40, 775,922.58 and 307,611.84

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Solution

The fourth proportional to 562,256.40, 775,922.58 and 307,611.84 is: 424,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,256.40 : 775,922.58 = 307,611.84 : x
  2. Step 2: Convert to fraction form
    562,256.40/775,922.58 = 307,611.84/x
  3. Step 3: Cross multiply
    562,256.40x = 775,922.58 × 307,611.84
  4. Step 4: Simplify right side
    562,256.40x = 238,682,972,531.35
  5. Step 5: Solve for x
    x = 238,682,972,531.35/562,256.40
  6. Step 6: Final answer
    x = 424,509.13

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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.