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Finding the Fourth Proportional to 545,881.17, 818,973.66 and 238,160.08

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Solution

The fourth proportional to 545,881.17, 818,973.66 and 238,160.08 is: 357,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,881.17 : 818,973.66 = 238,160.08 : x
  2. Step 2: Convert to fraction form
    545,881.17/818,973.66 = 238,160.08/x
  3. Step 3: Cross multiply
    545,881.17x = 818,973.66 × 238,160.08
  4. Step 4: Simplify right side
    545,881.17x = 195,046,830,313.22
  5. Step 5: Solve for x
    x = 195,046,830,313.22/545,881.17
  6. Step 6: Final answer
    x = 357,306.39

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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.