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Finding the Fourth Proportional to 543,533.93, 750,051.77 and 301,831.95

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Solution

The fourth proportional to 543,533.93, 750,051.77 and 301,831.95 is: 416,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,533.93 : 750,051.77 = 301,831.95 : x
  2. Step 2: Convert to fraction form
    543,533.93/750,051.77 = 301,831.95/x
  3. Step 3: Cross multiply
    543,533.93x = 750,051.77 × 301,831.95
  4. Step 4: Simplify right side
    543,533.93x = 226,389,586,830.89
  5. Step 5: Solve for x
    x = 226,389,586,830.89/543,533.93
  6. Step 6: Final answer
    x = 416,514.18

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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.