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Finding the Fourth Proportional to 707,144.92, 975,841.38 and 384,848.20

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Solution

The fourth proportional to 707,144.92, 975,841.38 and 384,848.20 is: 531,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,144.92 : 975,841.38 = 384,848.20 : x
  2. Step 2: Convert to fraction form
    707,144.92/975,841.38 = 384,848.20/x
  3. Step 3: Cross multiply
    707,144.92x = 975,841.38 × 384,848.20
  4. Step 4: Simplify right side
    707,144.92x = 375,550,798,578.52
  5. Step 5: Solve for x
    x = 375,550,798,578.52/707,144.92
  6. Step 6: Final answer
    x = 531,080.39

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Double scale
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1.5x scale

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.