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Finding the Fourth Proportional to 249,195.64, 373,649.82 and 170,405.32

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Solution

The fourth proportional to 249,195.64, 373,649.82 and 170,405.32 is: 255,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,195.64 : 373,649.82 = 170,405.32 : x
  2. Step 2: Convert to fraction form
    249,195.64/373,649.82 = 170,405.32/x
  3. Step 3: Cross multiply
    249,195.64x = 373,649.82 × 170,405.32
  4. Step 4: Simplify right side
    249,195.64x = 63,671,917,145.04
  5. Step 5: Solve for x
    x = 63,671,917,145.04/249,195.64
  6. Step 6: Final answer
    x = 255,509.76

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1.5x scale

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.