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Finding the Fourth Proportional to 249,208.64, 373,669.32 and 170,418.32

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Solution

The fourth proportional to 249,208.64, 373,669.32 and 170,418.32 is: 255,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,208.64 : 373,669.32 = 170,418.32 : x
  2. Step 2: Convert to fraction form
    249,208.64/373,669.32 = 170,418.32/x
  3. Step 3: Cross multiply
    249,208.64x = 373,669.32 × 170,418.32
  4. Step 4: Simplify right side
    249,208.64x = 63,680,097,749.94
  5. Step 5: Solve for x
    x = 63,680,097,749.94/249,208.64
  6. Step 6: Final answer
    x = 255,529.25

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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.