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Finding the Fourth Proportional to 452,405.40, 624,561.83 and 348,813.34

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Solution

The fourth proportional to 452,405.40, 624,561.83 and 348,813.34 is: 481,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,405.40 : 624,561.83 = 348,813.34 : x
  2. Step 2: Convert to fraction form
    452,405.40/624,561.83 = 348,813.34/x
  3. Step 3: Cross multiply
    452,405.40x = 624,561.83 × 348,813.34
  4. Step 4: Simplify right side
    452,405.40x = 217,855,495,961.39
  5. Step 5: Solve for x
    x = 217,855,495,961.39/452,405.40
  6. Step 6: Final answer
    x = 481,549.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.