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Finding the Fourth Proportional to 616,231.80, 924,347.70 and 448,270.20

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Solution

The fourth proportional to 616,231.80, 924,347.70 and 448,270.20 is: 672,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,231.80 : 924,347.70 = 448,270.20 : x
  2. Step 2: Convert to fraction form
    616,231.80/924,347.70 = 448,270.20/x
  3. Step 3: Cross multiply
    616,231.80x = 924,347.70 × 448,270.20
  4. Step 4: Simplify right side
    616,231.80x = 414,357,528,348.54
  5. Step 5: Solve for x
    x = 414,357,528,348.54/616,231.80
  6. Step 6: Final answer
    x = 672,405.30

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Similar ratio
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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.