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Finding the Fourth Proportional to 599,699.60, 898,973.40 and 346,720.40

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Solution

The fourth proportional to 599,699.60, 898,973.40 and 346,720.40 is: 519,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,699.60 : 898,973.40 = 346,720.40 : x
  2. Step 2: Convert to fraction form
    599,699.60/898,973.40 = 346,720.40/x
  3. Step 3: Cross multiply
    599,699.60x = 898,973.40 × 346,720.40
  4. Step 4: Simplify right side
    599,699.60x = 311,692,416,837.36
  5. Step 5: Solve for x
    x = 311,692,416,837.36/599,699.60
  6. Step 6: Final answer
    x = 519,747.58

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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.