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Finding the Fourth Proportional to 437,590.87, 603,051.01 and 316,526.85

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Solution

The fourth proportional to 437,590.87, 603,051.01 and 316,526.85 is: 436,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,590.87 : 603,051.01 = 316,526.85 : x
  2. Step 2: Convert to fraction form
    437,590.87/603,051.01 = 316,526.85/x
  3. Step 3: Cross multiply
    437,590.87x = 603,051.01 × 316,526.85
  4. Step 4: Simplify right side
    437,590.87x = 190,881,835,793.30
  5. Step 5: Solve for x
    x = 190,881,835,793.30/437,590.87
  6. Step 6: Final answer
    x = 436,210.74

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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.