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Finding the Fourth Proportional to 520,852.73, 718,772.87 and 294,506.33

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Solution

The fourth proportional to 520,852.73, 718,772.87 and 294,506.33 is: 406,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,852.73 : 718,772.87 = 294,506.33 : x
  2. Step 2: Convert to fraction form
    520,852.73/718,772.87 = 294,506.33/x
  3. Step 3: Cross multiply
    520,852.73x = 718,772.87 × 294,506.33
  4. Step 4: Simplify right side
    520,852.73x = 211,683,157,189.67
  5. Step 5: Solve for x
    x = 211,683,157,189.67/520,852.73
  6. Step 6: Final answer
    x = 406,416.53

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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.