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Finding the Fourth Proportional to 503,501.96, 694,899.06 and 302,310.92

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Solution

The fourth proportional to 503,501.96, 694,899.06 and 302,310.92 is: 417,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,501.96 : 694,899.06 = 302,310.92 : x
  2. Step 2: Convert to fraction form
    503,501.96/694,899.06 = 302,310.92/x
  3. Step 3: Cross multiply
    503,501.96x = 694,899.06 × 302,310.92
  4. Step 4: Simplify right side
    503,501.96x = 210,075,574,135.74
  5. Step 5: Solve for x
    x = 210,075,574,135.74/503,501.96
  6. Step 6: Final answer
    x = 417,228.91

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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.