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Finding the Fourth Proportional to 616,558.40, 923,525.40 and 511,582.40

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Solution

The fourth proportional to 616,558.40, 923,525.40 and 511,582.40 is: 766,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,558.40 : 923,525.40 = 511,582.40 : x
  2. Step 2: Convert to fraction form
    616,558.40/923,525.40 = 511,582.40/x
  3. Step 3: Cross multiply
    616,558.40x = 923,525.40 × 511,582.40
  4. Step 4: Simplify right side
    616,558.40x = 472,459,340,592.96
  5. Step 5: Solve for x
    x = 472,459,340,592.96/616,558.40
  6. Step 6: Final answer
    x = 766,284.82

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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.