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Finding the Fourth Proportional to 473,572.51, 709,223.95 and 345,144.58

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Solution

The fourth proportional to 473,572.51, 709,223.95 and 345,144.58 is: 516,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,572.51 : 709,223.95 = 345,144.58 : x
  2. Step 2: Convert to fraction form
    473,572.51/709,223.95 = 345,144.58/x
  3. Step 3: Cross multiply
    473,572.51x = 709,223.95 × 345,144.58
  4. Step 4: Simplify right side
    473,572.51x = 244,784,802,348.69
  5. Step 5: Solve for x
    x = 244,784,802,348.69/473,572.51
  6. Step 6: Final answer
    x = 516,889.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.