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Finding the Fourth Proportional to 560,017.86, 840,023.19 and 335,442.12

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Solution

The fourth proportional to 560,017.86, 840,023.19 and 335,442.12 is: 503,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,017.86 : 840,023.19 = 335,442.12 : x
  2. Step 2: Convert to fraction form
    560,017.86/840,023.19 = 335,442.12/x
  3. Step 3: Cross multiply
    560,017.86x = 840,023.19 × 335,442.12
  4. Step 4: Simplify right side
    560,017.86x = 281,779,159,702.76
  5. Step 5: Solve for x
    x = 281,779,159,702.76/560,017.86
  6. Step 6: Final answer
    x = 503,161.02

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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.