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Finding the Fourth Proportional to 617,307.40, 926,027.52 and 196,484.86

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Solution

The fourth proportional to 617,307.40, 926,027.52 and 196,484.86 is: 294,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,307.40 : 926,027.52 = 196,484.86 : x
  2. Step 2: Convert to fraction form
    617,307.40/926,027.52 = 196,484.86/x
  3. Step 3: Cross multiply
    617,307.40x = 926,027.52 × 196,484.86
  4. Step 4: Simplify right side
    617,307.40x = 181,950,387,623.35
  5. Step 5: Solve for x
    x = 181,950,387,623.35/617,307.40
  6. Step 6: Final answer
    x = 294,748.43

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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.