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Finding the Fourth Proportional to 531,897.46, 734,015.00 and 302,454.77

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Solution

The fourth proportional to 531,897.46, 734,015.00 and 302,454.77 is: 417,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,897.46 : 734,015.00 = 302,454.77 : x
  2. Step 2: Convert to fraction form
    531,897.46/734,015.00 = 302,454.77/x
  3. Step 3: Cross multiply
    531,897.46x = 734,015.00 × 302,454.77
  4. Step 4: Simplify right side
    531,897.46x = 222,006,335,087.61
  5. Step 5: Solve for x
    x = 222,006,335,087.61/531,897.46
  6. Step 6: Final answer
    x = 417,385.59

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1.5x scale

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.