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Finding the Fourth Proportional to 429,670.29, 592,879.18 and 248,347.29

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Solution

The fourth proportional to 429,670.29, 592,879.18 and 248,347.29 is: 342,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,670.29 : 592,879.18 = 248,347.29 : x
  2. Step 2: Convert to fraction form
    429,670.29/592,879.18 = 248,347.29/x
  3. Step 3: Cross multiply
    429,670.29x = 592,879.18 × 248,347.29
  4. Step 4: Simplify right side
    429,670.29x = 147,239,937,650.42
  5. Step 5: Solve for x
    x = 147,239,937,650.42/429,670.29
  6. Step 6: Final answer
    x = 342,681.22

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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.