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Finding the Fourth Proportional to 356,465.79, 534,642.80 and 116,577.70

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Solution

The fourth proportional to 356,465.79, 534,642.80 and 116,577.70 is: 174,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,465.79 : 534,642.80 = 116,577.70 : x
  2. Step 2: Convert to fraction form
    356,465.79/534,642.80 = 116,577.70/x
  3. Step 3: Cross multiply
    356,465.79x = 534,642.80 × 116,577.70
  4. Step 4: Simplify right side
    356,465.79x = 62,327,426,026.06
  5. Step 5: Solve for x
    x = 62,327,426,026.06/356,465.79
  6. Step 6: Final answer
    x = 174,848.27

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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.