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Finding the Fourth Proportional to 570,997.62, 787,619.50 and 367,313.81

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Solution

The fourth proportional to 570,997.62, 787,619.50 and 367,313.81 is: 506,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,997.62 : 787,619.50 = 367,313.81 : x
  2. Step 2: Convert to fraction form
    570,997.62/787,619.50 = 367,313.81/x
  3. Step 3: Cross multiply
    570,997.62x = 787,619.50 × 367,313.81
  4. Step 4: Simplify right side
    570,997.62x = 289,303,514,518.91
  5. Step 5: Solve for x
    x = 289,303,514,518.91/570,997.62
  6. Step 6: Final answer
    x = 506,663.26

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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.