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Finding the Fourth Proportional to 671,130.29, 926,159.94 and 369,324.29

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Solution

The fourth proportional to 671,130.29, 926,159.94 and 369,324.29 is: 509,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,130.29 : 926,159.94 = 369,324.29 : x
  2. Step 2: Convert to fraction form
    671,130.29/926,159.94 = 369,324.29/x
  3. Step 3: Cross multiply
    671,130.29x = 926,159.94 × 369,324.29
  4. Step 4: Simplify right side
    671,130.29x = 342,053,364,582.34
  5. Step 5: Solve for x
    x = 342,053,364,582.34/671,130.29
  6. Step 6: Final answer
    x = 509,667.60

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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.