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Finding the Fourth Proportional to 630,370.49, 940,639.13 and 562,435.59

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Solution

The fourth proportional to 630,370.49, 940,639.13 and 562,435.59 is: 839,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,370.49 : 940,639.13 = 562,435.59 : x
  2. Step 2: Convert to fraction form
    630,370.49/940,639.13 = 562,435.59/x
  3. Step 3: Cross multiply
    630,370.49x = 940,639.13 × 562,435.59
  4. Step 4: Simplify right side
    630,370.49x = 529,048,924,058.64
  5. Step 5: Solve for x
    x = 529,048,924,058.64/630,370.49
  6. Step 6: Final answer
    x = 839,266.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.