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Finding the Fourth Proportional to 507,266.20, 700,008.78 and 292,415.32

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Solution

The fourth proportional to 507,266.20, 700,008.78 and 292,415.32 is: 403,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,266.20 : 700,008.78 = 292,415.32 : x
  2. Step 2: Convert to fraction form
    507,266.20/700,008.78 = 292,415.32/x
  3. Step 3: Cross multiply
    507,266.20x = 700,008.78 × 292,415.32
  4. Step 4: Simplify right side
    507,266.20x = 204,693,291,406.51
  5. Step 5: Solve for x
    x = 204,693,291,406.51/507,266.20
  6. Step 6: Final answer
    x = 403,522.43

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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.