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Finding the Fourth Proportional to 559,851.48, 772,362.42 and 330,317.64

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Solution

The fourth proportional to 559,851.48, 772,362.42 and 330,317.64 is: 455,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,851.48 : 772,362.42 = 330,317.64 : x
  2. Step 2: Convert to fraction form
    559,851.48/772,362.42 = 330,317.64/x
  3. Step 3: Cross multiply
    559,851.48x = 772,362.42 × 330,317.64
  4. Step 4: Simplify right side
    559,851.48x = 255,124,931,799.09
  5. Step 5: Solve for x
    x = 255,124,931,799.09/559,851.48
  6. Step 6: Final answer
    x = 455,701.09

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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.