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Finding the Fourth Proportional to 555,459, 833,330.58 and 161,475

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Solution

The fourth proportional to 555,459, 833,330.58 and 161,475 is: 242,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,459 : 833,330.58 = 161,475 : x
  2. Step 2: Convert to fraction form
    555,459/833,330.58 = 161,475/x
  3. Step 3: Cross multiply
    555,459x = 833,330.58 × 161,475
  4. Step 4: Simplify right side
    555,459x = 134,562,055,405.50
  5. Step 5: Solve for x
    x = 134,562,055,405.50/555,459
  6. Step 6: Final answer
    x = 242,253.80

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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.