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Finding the Fourth Proportional to 690,294.33, 952,900.08 and 464,071.05

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Solution

The fourth proportional to 690,294.33, 952,900.08 and 464,071.05 is: 640,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,294.33 : 952,900.08 = 464,071.05 : x
  2. Step 2: Convert to fraction form
    690,294.33/952,900.08 = 464,071.05/x
  3. Step 3: Cross multiply
    690,294.33x = 952,900.08 × 464,071.05
  4. Step 4: Simplify right side
    690,294.33x = 442,213,340,670.68
  5. Step 5: Solve for x
    x = 442,213,340,670.68/690,294.33
  6. Step 6: Final answer
    x = 640,615.64

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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.