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Finding the Fourth Proportional to 601,763.74, 830,525.46 and 384,066.34

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Solution

The fourth proportional to 601,763.74, 830,525.46 and 384,066.34 is: 530,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,763.74 : 830,525.46 = 384,066.34 : x
  2. Step 2: Convert to fraction form
    601,763.74/830,525.46 = 384,066.34/x
  3. Step 3: Cross multiply
    601,763.74x = 830,525.46 × 384,066.34
  4. Step 4: Simplify right side
    601,763.74x = 318,976,873,699.02
  5. Step 5: Solve for x
    x = 318,976,873,699.02/601,763.74
  6. Step 6: Final answer
    x = 530,069.95

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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.