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Finding the Fourth Proportional to 384,152.40, 575,710.20 and 273,214.80

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Solution

The fourth proportional to 384,152.40, 575,710.20 and 273,214.80 is: 409,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,152.40 : 575,710.20 = 273,214.80 : x
  2. Step 2: Convert to fraction form
    384,152.40/575,710.20 = 273,214.80/x
  3. Step 3: Cross multiply
    384,152.40x = 575,710.20 × 273,214.80
  4. Step 4: Simplify right side
    384,152.40x = 157,292,547,150.96
  5. Step 5: Solve for x
    x = 157,292,547,150.96/384,152.40
  6. Step 6: Final answer
    x = 409,453.51

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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.