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Finding the Fourth Proportional to 507,654.36, 700,636.56 and 292,751.64

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Solution

The fourth proportional to 507,654.36, 700,636.56 and 292,751.64 is: 404,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,654.36 : 700,636.56 = 292,751.64 : x
  2. Step 2: Convert to fraction form
    507,654.36/700,636.56 = 292,751.64/x
  3. Step 3: Cross multiply
    507,654.36x = 700,636.56 × 292,751.64
  4. Step 4: Simplify right side
    507,654.36x = 205,112,501,983.96
  5. Step 5: Solve for x
    x = 205,112,501,983.96/507,654.36
  6. Step 6: Final answer
    x = 404,039.67

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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.