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Finding the Fourth Proportional to 616,555, 924,920.58 and 190,126.84

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Solution

The fourth proportional to 616,555, 924,920.58 and 190,126.84 is: 285,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,555 : 924,920.58 = 190,126.84 : x
  2. Step 2: Convert to fraction form
    616,555/924,920.58 = 190,126.84/x
  3. Step 3: Cross multiply
    616,555x = 924,920.58 × 190,126.84
  4. Step 4: Simplify right side
    616,555x = 175,852,227,126.37
  5. Step 5: Solve for x
    x = 175,852,227,126.37/616,555
  6. Step 6: Final answer
    x = 285,217.42

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1.5x scale

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.