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Finding the Fourth Proportional to 1,573,010, 2,359,523.64 and 391,058

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Solution

The fourth proportional to 1,573,010, 2,359,523.64 and 391,058 is: 586,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,010 : 2,359,523.64 = 391,058 : x
  2. Step 2: Convert to fraction form
    1,573,010/2,359,523.64 = 391,058/x
  3. Step 3: Cross multiply
    1,573,010x = 2,359,523.64 × 391,058
  4. Step 4: Simplify right side
    1,573,010x = 922,710,595,611.12
  5. Step 5: Solve for x
    x = 922,710,595,611.12/1,573,010
  6. Step 6: Final answer
    x = 586,589.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.