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Finding the Fourth Proportional to 525,054.80, 787,582.20 and 151,077.80

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Solution

The fourth proportional to 525,054.80, 787,582.20 and 151,077.80 is: 226,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,054.80 : 787,582.20 = 151,077.80 : x
  2. Step 2: Convert to fraction form
    525,054.80/787,582.20 = 151,077.80/x
  3. Step 3: Cross multiply
    525,054.80x = 787,582.20 × 151,077.80
  4. Step 4: Simplify right side
    525,054.80x = 118,986,186,095.16
  5. Step 5: Solve for x
    x = 118,986,186,095.16/525,054.80
  6. Step 6: Final answer
    x = 226,616.70

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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.