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Finding the Fourth Proportional to 704,999.08, 972,914.12 and 429,369.94

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Solution

The fourth proportional to 704,999.08, 972,914.12 and 429,369.94 is: 592,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,999.08 : 972,914.12 = 429,369.94 : x
  2. Step 2: Convert to fraction form
    704,999.08/972,914.12 = 429,369.94/x
  3. Step 3: Cross multiply
    704,999.08x = 972,914.12 × 429,369.94
  4. Step 4: Simplify right side
    704,999.08x = 417,740,077,329.55
  5. Step 5: Solve for x
    x = 417,740,077,329.55/704,999.08
  6. Step 6: Final answer
    x = 592,539.89

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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.