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Finding the Fourth Proportional to 575,293.66, 793,932.42 and 320,646.70

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Solution

The fourth proportional to 575,293.66, 793,932.42 and 320,646.70 is: 442,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,293.66 : 793,932.42 = 320,646.70 : x
  2. Step 2: Convert to fraction form
    575,293.66/793,932.42 = 320,646.70/x
  3. Step 3: Cross multiply
    575,293.66x = 793,932.42 × 320,646.70
  4. Step 4: Simplify right side
    575,293.66x = 254,571,810,496.01
  5. Step 5: Solve for x
    x = 254,571,810,496.01/575,293.66
  6. Step 6: Final answer
    x = 442,507.59

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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.