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Finding the Fourth Proportional to 656,595.10, 906,522.86 and 411,915.25

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Solution

The fourth proportional to 656,595.10, 906,522.86 and 411,915.25 is: 568,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,595.10 : 906,522.86 = 411,915.25 : x
  2. Step 2: Convert to fraction form
    656,595.10/906,522.86 = 411,915.25/x
  3. Step 3: Cross multiply
    656,595.10x = 906,522.86 × 411,915.25
  4. Step 4: Simplify right side
    656,595.10x = 373,410,586,593.26
  5. Step 5: Solve for x
    x = 373,410,586,593.26/656,595.10
  6. Step 6: Final answer
    x = 568,707.55

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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.