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Finding the Fourth Proportional to 529,403.16, 793,931.94 and 174,333.72

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Solution

The fourth proportional to 529,403.16, 793,931.94 and 174,333.72 is: 261,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,403.16 : 793,931.94 = 174,333.72 : x
  2. Step 2: Convert to fraction form
    529,403.16/793,931.94 = 174,333.72/x
  3. Step 3: Cross multiply
    529,403.16x = 793,931.94 × 174,333.72
  4. Step 4: Simplify right side
    529,403.16x = 138,409,108,527.02
  5. Step 5: Solve for x
    x = 138,409,108,527.02/529,403.16
  6. Step 6: Final answer
    x = 261,443.68

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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.