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Finding the Fourth Proportional to 530,905, 732,648.94 and 292,441

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Solution

The fourth proportional to 530,905, 732,648.94 and 292,441 is: 403,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,905 : 732,648.94 = 292,441 : x
  2. Step 2: Convert to fraction form
    530,905/732,648.94 = 292,441/x
  3. Step 3: Cross multiply
    530,905x = 732,648.94 × 292,441
  4. Step 4: Simplify right side
    530,905x = 214,256,588,662.54
  5. Step 5: Solve for x
    x = 214,256,588,662.54/530,905
  6. Step 6: Final answer
    x = 403,568.60

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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.