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Finding the Fourth Proportional to 530,904, 732,647.56 and 292,440

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Solution

The fourth proportional to 530,904, 732,647.56 and 292,440 is: 403,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,904 : 732,647.56 = 292,440 : x
  2. Step 2: Convert to fraction form
    530,904/732,647.56 = 292,440/x
  3. Step 3: Cross multiply
    530,904x = 732,647.56 × 292,440
  4. Step 4: Simplify right side
    530,904x = 214,255,452,446.40
  5. Step 5: Solve for x
    x = 214,255,452,446.40/530,904
  6. Step 6: Final answer
    x = 403,567.22

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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.