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Finding the Fourth Proportional to 702,851.32, 1,054,834.62 and 365,987.80

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Solution

The fourth proportional to 702,851.32, 1,054,834.62 and 365,987.80 is: 549,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,851.32 : 1,054,834.62 = 365,987.80 : x
  2. Step 2: Convert to fraction form
    702,851.32/1,054,834.62 = 365,987.80/x
  3. Step 3: Cross multiply
    702,851.32x = 1,054,834.62 × 365,987.80
  4. Step 4: Simplify right side
    702,851.32x = 386,056,601,937.64
  5. Step 5: Solve for x
    x = 386,056,601,937.64/702,851.32
  6. Step 6: Final answer
    x = 549,272.07

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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.