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Finding the Fourth Proportional to 540,969.60, 811,569.60 and 167,030.40

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Solution

The fourth proportional to 540,969.60, 811,569.60 and 167,030.40 is: 250,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,969.60 : 811,569.60 = 167,030.40 : x
  2. Step 2: Convert to fraction form
    540,969.60/811,569.60 = 167,030.40/x
  3. Step 3: Cross multiply
    540,969.60x = 811,569.60 × 167,030.40
  4. Step 4: Simplify right side
    540,969.60x = 135,556,794,915.84
  5. Step 5: Solve for x
    x = 135,556,794,915.84/540,969.60
  6. Step 6: Final answer
    x = 250,581.17

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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.