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Finding the Fourth Proportional to 671,322.16, 926,424.84 and 369,514

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Solution

The fourth proportional to 671,322.16, 926,424.84 and 369,514 is: 509,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,322.16 : 926,424.84 = 369,514 : x
  2. Step 2: Convert to fraction form
    671,322.16/926,424.84 = 369,514/x
  3. Step 3: Cross multiply
    671,322.16x = 926,424.84 × 369,514
  4. Step 4: Simplify right side
    671,322.16x = 342,326,948,327.76
  5. Step 5: Solve for x
    x = 342,326,948,327.76/671,322.16
  6. Step 6: Final answer
    x = 509,929.46

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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.