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Finding the Fourth Proportional to 565,551.84, 780,476.56 and 307,446.24

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Solution

The fourth proportional to 565,551.84, 780,476.56 and 307,446.24 is: 424,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,551.84 : 780,476.56 = 307,446.24 : x
  2. Step 2: Convert to fraction form
    565,551.84/780,476.56 = 307,446.24/x
  3. Step 3: Cross multiply
    565,551.84x = 780,476.56 × 307,446.24
  4. Step 4: Simplify right side
    565,551.84x = 239,954,583,780.13
  5. Step 5: Solve for x
    x = 239,954,583,780.13/565,551.84
  6. Step 6: Final answer
    x = 424,283.98

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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.