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Finding the Fourth Proportional to 249,636.35, 374,454.53 and 165,655.55

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Solution

The fourth proportional to 249,636.35, 374,454.53 and 165,655.55 is: 248,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,636.35 : 374,454.53 = 165,655.55 : x
  2. Step 2: Convert to fraction form
    249,636.35/374,454.53 = 165,655.55/x
  3. Step 3: Cross multiply
    249,636.35x = 374,454.53 × 165,655.55
  4. Step 4: Simplify right side
    249,636.35x = 62,030,470,288.86
  5. Step 5: Solve for x
    x = 62,030,470,288.86/249,636.35
  6. Step 6: Final answer
    x = 248,483.33

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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.