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Finding the Fourth Proportional to 511,971.08, 767,927.88 and 156,984.14

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Solution

The fourth proportional to 511,971.08, 767,927.88 and 156,984.14 is: 235,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,971.08 : 767,927.88 = 156,984.14 : x
  2. Step 2: Convert to fraction form
    511,971.08/767,927.88 = 156,984.14/x
  3. Step 3: Cross multiply
    511,971.08x = 767,927.88 × 156,984.14
  4. Step 4: Simplify right side
    511,971.08x = 120,552,497,823.82
  5. Step 5: Solve for x
    x = 120,552,497,823.82/511,971.08
  6. Step 6: Final answer
    x = 235,467.40

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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.