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Finding the Fourth Proportional to 530,692.86, 796,365.63 and 210,788.76

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Solution

The fourth proportional to 530,692.86, 796,365.63 and 210,788.76 is: 316,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,692.86 : 796,365.63 = 210,788.76 : x
  2. Step 2: Convert to fraction form
    530,692.86/796,365.63 = 210,788.76/x
  3. Step 3: Cross multiply
    530,692.86x = 796,365.63 × 210,788.76
  4. Step 4: Simplify right side
    530,692.86x = 167,864,923,654.32
  5. Step 5: Solve for x
    x = 167,864,923,654.32/530,692.86
  6. Step 6: Final answer
    x = 316,312.76

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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.