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Finding the Fourth Proportional to 555,364.80, 833,047.20 and 181,425.60

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Solution

The fourth proportional to 555,364.80, 833,047.20 and 181,425.60 is: 272,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,364.80 : 833,047.20 = 181,425.60 : x
  2. Step 2: Convert to fraction form
    555,364.80/833,047.20 = 181,425.60/x
  3. Step 3: Cross multiply
    555,364.80x = 833,047.20 × 181,425.60
  4. Step 4: Simplify right side
    555,364.80x = 151,136,088,088.32
  5. Step 5: Solve for x
    x = 151,136,088,088.32/555,364.80
  6. Step 6: Final answer
    x = 272,138.40

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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.