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Finding the Fourth Proportional to 671,134.33, 926,165.53 and 369,328.33

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Solution

The fourth proportional to 671,134.33, 926,165.53 and 369,328.33 is: 509,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,134.33 : 926,165.53 = 369,328.33 : x
  2. Step 2: Convert to fraction form
    671,134.33/926,165.53 = 369,328.33/x
  3. Step 3: Cross multiply
    671,134.33x = 926,165.53 × 369,328.33
  4. Step 4: Simplify right side
    671,134.33x = 342,059,168,498.47
  5. Step 5: Solve for x
    x = 342,059,168,498.47/671,134.33
  6. Step 6: Final answer
    x = 509,673.18

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Double scale
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1.5x scale

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.