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Finding the Fourth Proportional to 546,526.92, 754,512.06 and 383,683.15

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Solution

The fourth proportional to 546,526.92, 754,512.06 and 383,683.15 is: 529,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,526.92 : 754,512.06 = 383,683.15 : x
  2. Step 2: Convert to fraction form
    546,526.92/754,512.06 = 383,683.15/x
  3. Step 3: Cross multiply
    546,526.92x = 754,512.06 × 383,683.15
  4. Step 4: Simplify right side
    546,526.92x = 289,493,563,893.79
  5. Step 5: Solve for x
    x = 289,493,563,893.79/546,526.92
  6. Step 6: Final answer
    x = 529,696.81

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1.5x scale

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.