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Finding the Fourth Proportional to 606,152.69, 909,196.08 and 185,428.57

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Solution

The fourth proportional to 606,152.69, 909,196.08 and 185,428.57 is: 278,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,152.69 : 909,196.08 = 185,428.57 : x
  2. Step 2: Convert to fraction form
    606,152.69/909,196.08 = 185,428.57/x
  3. Step 3: Cross multiply
    606,152.69x = 909,196.08 × 185,428.57
  4. Step 4: Simplify right side
    606,152.69x = 168,590,927,038.69
  5. Step 5: Solve for x
    x = 168,590,927,038.69/606,152.69
  6. Step 6: Final answer
    x = 278,132.77

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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.