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Finding the Fourth Proportional to 531,803.70, 797,040.32 and 265,638.52

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Solution

The fourth proportional to 531,803.70, 797,040.32 and 265,638.52 is: 398,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,803.70 : 797,040.32 = 265,638.52 : x
  2. Step 2: Convert to fraction form
    531,803.70/797,040.32 = 265,638.52/x
  3. Step 3: Cross multiply
    531,803.70x = 797,040.32 × 265,638.52
  4. Step 4: Simplify right side
    531,803.70x = 211,724,610,985.13
  5. Step 5: Solve for x
    x = 211,724,610,985.13/531,803.70
  6. Step 6: Final answer
    x = 398,125.49

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1.5x scale

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.