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Finding the Fourth Proportional to 475,011.04, 655,516.08 and 257,222.08

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Solution

The fourth proportional to 475,011.04, 655,516.08 and 257,222.08 is: 354,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,011.04 : 655,516.08 = 257,222.08 : x
  2. Step 2: Convert to fraction form
    475,011.04/655,516.08 = 257,222.08/x
  3. Step 3: Cross multiply
    475,011.04x = 655,516.08 × 257,222.08
  4. Step 4: Simplify right side
    475,011.04x = 168,613,209,571.05
  5. Step 5: Solve for x
    x = 168,613,209,571.05/475,011.04
  6. Step 6: Final answer
    x = 354,966.93

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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.