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Finding the Fourth Proportional to 292,577.00, 438,579.90 and 142,811.24

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Solution

The fourth proportional to 292,577.00, 438,579.90 and 142,811.24 is: 214,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,577.00 : 438,579.90 = 142,811.24 : x
  2. Step 2: Convert to fraction form
    292,577.00/438,579.90 = 142,811.24/x
  3. Step 3: Cross multiply
    292,577.00x = 438,579.90 × 142,811.24
  4. Step 4: Simplify right side
    292,577.00x = 62,634,137,165.18
  5. Step 5: Solve for x
    x = 62,634,137,165.18/292,577.00
  6. Step 6: Final answer
    x = 214,077.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.