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Finding the Fourth Proportional to 453,772.77, 626,182.65 and 249,783.86

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Solution

The fourth proportional to 453,772.77, 626,182.65 and 249,783.86 is: 344,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,772.77 : 626,182.65 = 249,783.86 : x
  2. Step 2: Convert to fraction form
    453,772.77/626,182.65 = 249,783.86/x
  3. Step 3: Cross multiply
    453,772.77x = 626,182.65 × 249,783.86
  4. Step 4: Simplify right side
    453,772.77x = 156,410,316,251.12
  5. Step 5: Solve for x
    x = 156,410,316,251.12/453,772.77
  6. Step 6: Final answer
    x = 344,688.63

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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.