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Finding the Fourth Proportional to 507,383.19, 700,018.20 and 292,518.54

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Solution

The fourth proportional to 507,383.19, 700,018.20 and 292,518.54 is: 403,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,383.19 : 700,018.20 = 292,518.54 : x
  2. Step 2: Convert to fraction form
    507,383.19/700,018.20 = 292,518.54/x
  3. Step 3: Cross multiply
    507,383.19x = 700,018.20 × 292,518.54
  4. Step 4: Simplify right side
    507,383.19x = 204,768,301,837.43
  5. Step 5: Solve for x
    x = 204,768,301,837.43/507,383.19
  6. Step 6: Final answer
    x = 403,577.23

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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.