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Finding the Fourth Proportional to 867,476.60, 1,300,178.10 and 446,535.80

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Solution

The fourth proportional to 867,476.60, 1,300,178.10 and 446,535.80 is: 669,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,476.60 : 1,300,178.10 = 446,535.80 : x
  2. Step 2: Convert to fraction form
    867,476.60/1,300,178.10 = 446,535.80/x
  3. Step 3: Cross multiply
    867,476.60x = 1,300,178.10 × 446,535.80
  4. Step 4: Simplify right side
    867,476.60x = 580,576,068,025.98
  5. Step 5: Solve for x
    x = 580,576,068,025.98/867,476.60
  6. Step 6: Final answer
    x = 669,270.00

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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.