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Finding the Fourth Proportional to 595,030.79, 821,026.94 and 353,389.16

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Solution

The fourth proportional to 595,030.79, 821,026.94 and 353,389.16 is: 487,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,030.79 : 821,026.94 = 353,389.16 : x
  2. Step 2: Convert to fraction form
    595,030.79/821,026.94 = 353,389.16/x
  3. Step 3: Cross multiply
    595,030.79x = 821,026.94 × 353,389.16
  4. Step 4: Simplify right side
    595,030.79x = 290,142,014,791.89
  5. Step 5: Solve for x
    x = 290,142,014,791.89/595,030.79
  6. Step 6: Final answer
    x = 487,608.41

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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.