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Finding the Fourth Proportional to 547,050.90, 754,335.10 and 355,709.46

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Solution

The fourth proportional to 547,050.90, 754,335.10 and 355,709.46 is: 490,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,050.90 : 754,335.10 = 355,709.46 : x
  2. Step 2: Convert to fraction form
    547,050.90/754,335.10 = 355,709.46/x
  3. Step 3: Cross multiply
    547,050.90x = 754,335.10 × 355,709.46
  4. Step 4: Simplify right side
    547,050.90x = 268,324,131,080.05
  5. Step 5: Solve for x
    x = 268,324,131,080.05/547,050.90
  6. Step 6: Final answer
    x = 490,492.08

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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.