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Finding the Fourth Proportional to 434,562.60, 651,843.90 and 282,347.40

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Solution

The fourth proportional to 434,562.60, 651,843.90 and 282,347.40 is: 423,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,562.60 : 651,843.90 = 282,347.40 : x
  2. Step 2: Convert to fraction form
    434,562.60/651,843.90 = 282,347.40/x
  3. Step 3: Cross multiply
    434,562.60x = 651,843.90 × 282,347.40
  4. Step 4: Simplify right side
    434,562.60x = 184,046,430,370.86
  5. Step 5: Solve for x
    x = 184,046,430,370.86/434,562.60
  6. Step 6: Final answer
    x = 423,521.10

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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.