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Finding the Fourth Proportional to 546,627.05, 754,696.55 and 342,957.41

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Solution

The fourth proportional to 546,627.05, 754,696.55 and 342,957.41 is: 473,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,627.05 : 754,696.55 = 342,957.41 : x
  2. Step 2: Convert to fraction form
    546,627.05/754,696.55 = 342,957.41/x
  3. Step 3: Cross multiply
    546,627.05x = 754,696.55 × 342,957.41
  4. Step 4: Simplify right side
    546,627.05x = 258,828,772,409.15
  5. Step 5: Solve for x
    x = 258,828,772,409.15/546,627.05
  6. Step 6: Final answer
    x = 473,501.58

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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.