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Finding the Fourth Proportional to 872,547.52, 1,308,783.20 and 273,495

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Solution

The fourth proportional to 872,547.52, 1,308,783.20 and 273,495 is: 410,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,547.52 : 1,308,783.20 = 273,495 : x
  2. Step 2: Convert to fraction form
    872,547.52/1,308,783.20 = 273,495/x
  3. Step 3: Cross multiply
    872,547.52x = 1,308,783.20 × 273,495
  4. Step 4: Simplify right side
    872,547.52x = 357,945,661,284
  5. Step 5: Solve for x
    x = 357,945,661,284/872,547.52
  6. Step 6: Final answer
    x = 410,230.56

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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.