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Finding the Fourth Proportional to 475,430.34, 655,996.91 and 281,752.69

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Solution

The fourth proportional to 475,430.34, 655,996.91 and 281,752.69 is: 388,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,430.34 : 655,996.91 = 281,752.69 : x
  2. Step 2: Convert to fraction form
    475,430.34/655,996.91 = 281,752.69/x
  3. Step 3: Cross multiply
    475,430.34x = 655,996.91 × 281,752.69
  4. Step 4: Simplify right side
    475,430.34x = 184,828,895,901.43
  5. Step 5: Solve for x
    x = 184,828,895,901.43/475,430.34
  6. Step 6: Final answer
    x = 388,761.26

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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.