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Finding the Fourth Proportional to 507,222.12, 759,711.74 and 346,918.12

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Solution

The fourth proportional to 507,222.12, 759,711.74 and 346,918.12 is: 519,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,222.12 : 759,711.74 = 346,918.12 : x
  2. Step 2: Convert to fraction form
    507,222.12/759,711.74 = 346,918.12/x
  3. Step 3: Cross multiply
    507,222.12x = 759,711.74 × 346,918.12
  4. Step 4: Simplify right side
    507,222.12x = 263,557,768,582.73
  5. Step 5: Solve for x
    x = 263,557,768,582.73/507,222.12
  6. Step 6: Final answer
    x = 519,610.16

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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.