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Finding the Fourth Proportional to 690,295.32, 952,901.48 and 464,072.04

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Solution

The fourth proportional to 690,295.32, 952,901.48 and 464,072.04 is: 640,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,295.32 : 952,901.48 = 464,072.04 : x
  2. Step 2: Convert to fraction form
    690,295.32/952,901.48 = 464,072.04/x
  3. Step 3: Cross multiply
    690,295.32x = 952,901.48 × 464,072.04
  4. Step 4: Simplify right side
    690,295.32x = 442,214,933,742.62
  5. Step 5: Solve for x
    x = 442,214,933,742.62/690,295.32
  6. Step 6: Final answer
    x = 640,617.02

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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.