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Finding the Fourth Proportional to 562,101.60, 775,700.40 and 307,476.32

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Solution

The fourth proportional to 562,101.60, 775,700.40 and 307,476.32 is: 424,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,101.60 : 775,700.40 = 307,476.32 : x
  2. Step 2: Convert to fraction form
    562,101.60/775,700.40 = 307,476.32/x
  3. Step 3: Cross multiply
    562,101.60x = 775,700.40 × 307,476.32
  4. Step 4: Simplify right side
    562,101.60x = 238,509,504,414.53
  5. Step 5: Solve for x
    x = 238,509,504,414.53/562,101.60
  6. Step 6: Final answer
    x = 424,317.43

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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.