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Finding the Fourth Proportional to 617,892.30, 926,838.45 and 589,023.90

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Solution

The fourth proportional to 617,892.30, 926,838.45 and 589,023.90 is: 883,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,892.30 : 926,838.45 = 589,023.90 : x
  2. Step 2: Convert to fraction form
    617,892.30/926,838.45 = 589,023.90/x
  3. Step 3: Cross multiply
    617,892.30x = 926,838.45 × 589,023.90
  4. Step 4: Simplify right side
    617,892.30x = 545,929,998,488.96
  5. Step 5: Solve for x
    x = 545,929,998,488.96/617,892.30
  6. Step 6: Final answer
    x = 883,535.85

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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.