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Finding the Fourth Proportional to 356,548.60, 534,822.90 and 146,337.40

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Solution

The fourth proportional to 356,548.60, 534,822.90 and 146,337.40 is: 219,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,548.60 : 534,822.90 = 146,337.40 : x
  2. Step 2: Convert to fraction form
    356,548.60/534,822.90 = 146,337.40/x
  3. Step 3: Cross multiply
    356,548.60x = 534,822.90 × 146,337.40
  4. Step 4: Simplify right side
    356,548.60x = 78,264,592,646.46
  5. Step 5: Solve for x
    x = 78,264,592,646.46/356,548.60
  6. Step 6: Final answer
    x = 219,506.10

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