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Finding the Fourth Proportional to 565,989.66, 780,994.71 and 382,627.13

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Solution

The fourth proportional to 565,989.66, 780,994.71 and 382,627.13 is: 527,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,989.66 : 780,994.71 = 382,627.13 : x
  2. Step 2: Convert to fraction form
    565,989.66/780,994.71 = 382,627.13/x
  3. Step 3: Cross multiply
    565,989.66x = 780,994.71 × 382,627.13
  4. Step 4: Simplify right side
    565,989.66x = 298,829,760,527.51
  5. Step 5: Solve for x
    x = 298,829,760,527.51/565,989.66
  6. Step 6: Final answer
    x = 527,977.42

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Double scale
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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.