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Finding the Fourth Proportional to 567,458.02, 783,093.16 and 309,337.08

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Solution

The fourth proportional to 567,458.02, 783,093.16 and 309,337.08 is: 426,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,458.02 : 783,093.16 = 309,337.08 : x
  2. Step 2: Convert to fraction form
    567,458.02/783,093.16 = 309,337.08/x
  3. Step 3: Cross multiply
    567,458.02x = 783,093.16 × 309,337.08
  4. Step 4: Simplify right side
    567,458.02x = 242,239,751,482.37
  5. Step 5: Solve for x
    x = 242,239,751,482.37/567,458.02
  6. Step 6: Final answer
    x = 426,885.77

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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.