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Finding the Fourth Proportional to 572,112.60, 858,168.90 and 545,868.60

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Solution

The fourth proportional to 572,112.60, 858,168.90 and 545,868.60 is: 818,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,112.60 : 858,168.90 = 545,868.60 : x
  2. Step 2: Convert to fraction form
    572,112.60/858,168.90 = 545,868.60/x
  3. Step 3: Cross multiply
    572,112.60x = 858,168.90 × 545,868.60
  4. Step 4: Simplify right side
    572,112.60x = 468,447,456,006.54
  5. Step 5: Solve for x
    x = 468,447,456,006.54/572,112.60
  6. Step 6: Final answer
    x = 818,802.90

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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.