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Finding the Fourth Proportional to 443,352, 611,829 and 242,148

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Solution

The fourth proportional to 443,352, 611,829 and 242,148 is: 334,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,352 : 611,829 = 242,148 : x
  2. Step 2: Convert to fraction form
    443,352/611,829 = 242,148/x
  3. Step 3: Cross multiply
    443,352x = 611,829 × 242,148
  4. Step 4: Simplify right side
    443,352x = 148,153,168,692
  5. Step 5: Solve for x
    x = 148,153,168,692/443,352
  6. Step 6: Final answer
    x = 334,166.01

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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.