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Finding the Fourth Proportional to 1,708,668.82, 2,357,967 and 934,349.86

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Solution

The fourth proportional to 1,708,668.82, 2,357,967 and 934,349.86 is: 1,289,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,668.82 : 2,357,967 = 934,349.86 : x
  2. Step 2: Convert to fraction form
    1,708,668.82/2,357,967 = 934,349.86/x
  3. Step 3: Cross multiply
    1,708,668.82x = 2,357,967 × 934,349.86
  4. Step 4: Simplify right side
    1,708,668.82x = 2,203,166,136,334.62
  5. Step 5: Solve for x
    x = 2,203,166,136,334.62/1,708,668.82
  6. Step 6: Final answer
    x = 1,289,405.01

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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.