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Finding the Fourth Proportional to 822,266.40, 1,232,816.40 and 373,202.40

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Solution

The fourth proportional to 822,266.40, 1,232,816.40 and 373,202.40 is: 559,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,266.40 : 1,232,816.40 = 373,202.40 : x
  2. Step 2: Convert to fraction form
    822,266.40/1,232,816.40 = 373,202.40/x
  3. Step 3: Cross multiply
    822,266.40x = 1,232,816.40 × 373,202.40
  4. Step 4: Simplify right side
    822,266.40x = 460,090,039,239.36
  5. Step 5: Solve for x
    x = 460,090,039,239.36/822,266.40
  6. Step 6: Final answer
    x = 559,538.90

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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.