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Finding the Fourth Proportional to 651,131.81, 898,565.65 and 360,752.54

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Solution

The fourth proportional to 651,131.81, 898,565.65 and 360,752.54 is: 497,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,131.81 : 898,565.65 = 360,752.54 : x
  2. Step 2: Convert to fraction form
    651,131.81/898,565.65 = 360,752.54/x
  3. Step 3: Cross multiply
    651,131.81x = 898,565.65 × 360,752.54
  4. Step 4: Simplify right side
    651,131.81x = 324,159,837,228.77
  5. Step 5: Solve for x
    x = 324,159,837,228.77/651,131.81
  6. Step 6: Final answer
    x = 497,840.58

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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.