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Finding the Fourth Proportional to 493,540,409.88, 735,898,232.55 and 479,980,692.72

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Solution

The fourth proportional to 493,540,409.88, 735,898,232.55 and 479,980,692.72 is: 715,679,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,540,409.88 : 735,898,232.55 = 479,980,692.72 : x
  2. Step 2: Convert to fraction form
    493,540,409.88/735,898,232.55 = 479,980,692.72/x
  3. Step 3: Cross multiply
    493,540,409.88x = 735,898,232.55 × 479,980,692.72
  4. Step 4: Simplify right side
    493,540,409.88x = 353,216,943,430,772,672
  5. Step 5: Solve for x
    x = 353,216,943,430,772,672/493,540,409.88
  6. Step 6: Final answer
    x = 715,679,884.28

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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.