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Finding the Fourth Proportional to 475,029.45, 655,516.08 and 260,127.90

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Solution

The fourth proportional to 475,029.45, 655,516.08 and 260,127.90 is: 358,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,029.45 : 655,516.08 = 260,127.90 : x
  2. Step 2: Convert to fraction form
    475,029.45/655,516.08 = 260,127.90/x
  3. Step 3: Cross multiply
    475,029.45x = 655,516.08 × 260,127.90
  4. Step 4: Simplify right side
    475,029.45x = 170,518,021,306.63
  5. Step 5: Solve for x
    x = 170,518,021,306.63/475,029.45
  6. Step 6: Final answer
    x = 358,963.05

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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.