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Finding the Fourth Proportional to 656,451.40, 984,662.70 and 183,123.40

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Solution

The fourth proportional to 656,451.40, 984,662.70 and 183,123.40 is: 274,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,451.40 : 984,662.70 = 183,123.40 : x
  2. Step 2: Convert to fraction form
    656,451.40/984,662.70 = 183,123.40/x
  3. Step 3: Cross multiply
    656,451.40x = 984,662.70 × 183,123.40
  4. Step 4: Simplify right side
    656,451.40x = 180,314,781,477.18
  5. Step 5: Solve for x
    x = 180,314,781,477.18/656,451.40
  6. Step 6: Final answer
    x = 274,681.08

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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.