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Finding the Fourth Proportional to 546,036.34, 753,914.37 and 383,039.38

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Solution

The fourth proportional to 546,036.34, 753,914.37 and 383,039.38 is: 528,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,036.34 : 753,914.37 = 383,039.38 : x
  2. Step 2: Convert to fraction form
    546,036.34/753,914.37 = 383,039.38/x
  3. Step 3: Cross multiply
    546,036.34x = 753,914.37 × 383,039.38
  4. Step 4: Simplify right side
    546,036.34x = 288,778,892,857.89
  5. Step 5: Solve for x
    x = 288,778,892,857.89/546,036.34
  6. Step 6: Final answer
    x = 528,863.87

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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.