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Finding the Fourth Proportional to 656,420.49, 984,543.21 and 183,066.21

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Solution

The fourth proportional to 656,420.49, 984,543.21 and 183,066.21 is: 274,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,420.49 : 984,543.21 = 183,066.21 : x
  2. Step 2: Convert to fraction form
    656,420.49/984,543.21 = 183,066.21/x
  3. Step 3: Cross multiply
    656,420.49x = 984,543.21 × 183,066.21
  4. Step 4: Simplify right side
    656,420.49x = 180,236,594,035.93
  5. Step 5: Solve for x
    x = 180,236,594,035.93/656,420.49
  6. Step 6: Final answer
    x = 274,574.91

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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.