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Finding the Fourth Proportional to 593,454.10, 818,967.12 and 348,390.89

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Solution

The fourth proportional to 593,454.10, 818,967.12 and 348,390.89 is: 480,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,454.10 : 818,967.12 = 348,390.89 : x
  2. Step 2: Convert to fraction form
    593,454.10/818,967.12 = 348,390.89/x
  3. Step 3: Cross multiply
    593,454.10x = 818,967.12 × 348,390.89
  4. Step 4: Simplify right side
    593,454.10x = 285,320,684,558.49
  5. Step 5: Solve for x
    x = 285,320,684,558.49/593,454.10
  6. Step 6: Final answer
    x = 480,779.70

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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.