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Finding the Fourth Proportional to 521,417.25, 719,598.86 and 292,027.38

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Solution

The fourth proportional to 521,417.25, 719,598.86 and 292,027.38 is: 403,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,417.25 : 719,598.86 = 292,027.38 : x
  2. Step 2: Convert to fraction form
    521,417.25/719,598.86 = 292,027.38/x
  3. Step 3: Cross multiply
    521,417.25x = 719,598.86 × 292,027.38
  4. Step 4: Simplify right side
    521,417.25x = 210,142,567,494.58
  5. Step 5: Solve for x
    x = 210,142,567,494.58/521,417.25
  6. Step 6: Final answer
    x = 403,021.89

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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.