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Finding the Fourth Proportional to 707,594.40, 976,466.24 and 385,308.32

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Solution

The fourth proportional to 707,594.40, 976,466.24 and 385,308.32 is: 531,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,594.40 : 976,466.24 = 385,308.32 : x
  2. Step 2: Convert to fraction form
    707,594.40/976,466.24 = 385,308.32/x
  3. Step 3: Cross multiply
    707,594.40x = 976,466.24 × 385,308.32
  4. Step 4: Simplify right side
    707,594.40x = 376,240,566,471.12
  5. Step 5: Solve for x
    x = 376,240,566,471.12/707,594.40
  6. Step 6: Final answer
    x = 531,717.84

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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.