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Finding the Fourth Proportional to 601,128.20, 901,354.52 and 411,802.04

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Solution

The fourth proportional to 601,128.20, 901,354.52 and 411,802.04 is: 617,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,128.20 : 901,354.52 = 411,802.04 : x
  2. Step 2: Convert to fraction form
    601,128.20/901,354.52 = 411,802.04/x
  3. Step 3: Cross multiply
    601,128.20x = 901,354.52 × 411,802.04
  4. Step 4: Simplify right side
    601,128.20x = 371,179,630,099.22
  5. Step 5: Solve for x
    x = 371,179,630,099.22/601,128.20
  6. Step 6: Final answer
    x = 617,471.66

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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.