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Finding the Fourth Proportional to 475,312.46, 655,685.85 and 322,298.87

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Solution

The fourth proportional to 475,312.46, 655,685.85 and 322,298.87 is: 444,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,312.46 : 655,685.85 = 322,298.87 : x
  2. Step 2: Convert to fraction form
    475,312.46/655,685.85 = 322,298.87/x
  3. Step 3: Cross multiply
    475,312.46x = 655,685.85 × 322,298.87
  4. Step 4: Simplify right side
    475,312.46x = 211,326,803,640.07
  5. Step 5: Solve for x
    x = 211,326,803,640.07/475,312.46
  6. Step 6: Final answer
    x = 444,606.07

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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.