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Finding the Fourth Proportional to 630,364.77, 940,630.60 and 562,429.77

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Solution

The fourth proportional to 630,364.77, 940,630.60 and 562,429.77 is: 839,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,364.77 : 940,630.60 = 562,429.77 : x
  2. Step 2: Convert to fraction form
    630,364.77/940,630.60 = 562,429.77/x
  3. Step 3: Cross multiply
    630,364.77x = 940,630.60 × 562,429.77
  4. Step 4: Simplify right side
    630,364.77x = 529,038,652,012.96
  5. Step 5: Solve for x
    x = 529,038,652,012.96/630,364.77
  6. Step 6: Final answer
    x = 839,257.96

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1.5x scale

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.