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Finding the Fourth Proportional to 566,430.72, 849,396.80 and 300,129.86

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Solution

The fourth proportional to 566,430.72, 849,396.80 and 300,129.86 is: 450,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,430.72 : 849,396.80 = 300,129.86 : x
  2. Step 2: Convert to fraction form
    566,430.72/849,396.80 = 300,129.86/x
  3. Step 3: Cross multiply
    566,430.72x = 849,396.80 × 300,129.86
  4. Step 4: Simplify right side
    566,430.72x = 254,929,336,920.82
  5. Step 5: Solve for x
    x = 254,929,336,920.82/566,430.72
  6. Step 6: Final answer
    x = 450,062.70

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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.