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Finding the Fourth Proportional to 475,031.49, 655,518.45 and 260,166.97

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Solution

The fourth proportional to 475,031.49, 655,518.45 and 260,166.97 is: 359,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,031.49 : 655,518.45 = 260,166.97 : x
  2. Step 2: Convert to fraction form
    475,031.49/655,518.45 = 260,166.97/x
  3. Step 3: Cross multiply
    475,031.49x = 655,518.45 × 260,166.97
  4. Step 4: Simplify right side
    475,031.49x = 170,544,248,915.60
  5. Step 5: Solve for x
    x = 170,544,248,915.60/475,031.49
  6. Step 6: Final answer
    x = 359,016.72

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1.5x scale

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.