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Finding the Fourth Proportional to 947,477.30, 1,307,652.03 and 603,203.25

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Solution

The fourth proportional to 947,477.30, 1,307,652.03 and 603,203.25 is: 832,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,477.30 : 1,307,652.03 = 603,203.25 : x
  2. Step 2: Convert to fraction form
    947,477.30/1,307,652.03 = 603,203.25/x
  3. Step 3: Cross multiply
    947,477.30x = 1,307,652.03 × 603,203.25
  4. Step 4: Simplify right side
    947,477.30x = 788,779,957,572.28
  5. Step 5: Solve for x
    x = 788,779,957,572.28/947,477.30
  6. Step 6: Final answer
    x = 832,505.39

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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.