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Finding the Fourth Proportional to 707,594.31, 976,450.80 and 385,303.62

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Solution

The fourth proportional to 707,594.31, 976,450.80 and 385,303.62 is: 531,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,594.31 : 976,450.80 = 385,303.62 : x
  2. Step 2: Convert to fraction form
    707,594.31/976,450.80 = 385,303.62/x
  3. Step 3: Cross multiply
    707,594.31x = 976,450.80 × 385,303.62
  4. Step 4: Simplify right side
    707,594.31x = 376,230,027,991.90
  5. Step 5: Solve for x
    x = 376,230,027,991.90/707,594.31
  6. Step 6: Final answer
    x = 531,703.01

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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.