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Finding the Fourth Proportional to 576,436.01, 793,720.76 and 522,369.32

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Solution

The fourth proportional to 576,436.01, 793,720.76 and 522,369.32 is: 719,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,436.01 : 793,720.76 = 522,369.32 : x
  2. Step 2: Convert to fraction form
    576,436.01/793,720.76 = 522,369.32/x
  3. Step 3: Cross multiply
    576,436.01x = 793,720.76 × 522,369.32
  4. Step 4: Simplify right side
    576,436.01x = 414,615,367,090.63
  5. Step 5: Solve for x
    x = 414,615,367,090.63/576,436.01
  6. Step 6: Final answer
    x = 719,273.89

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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.