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Finding the Fourth Proportional to 555,460.56, 765,962.28 and 475,153.92

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Solution

The fourth proportional to 555,460.56, 765,962.28 and 475,153.92 is: 655,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,460.56 : 765,962.28 = 475,153.92 : x
  2. Step 2: Convert to fraction form
    555,460.56/765,962.28 = 475,153.92/x
  3. Step 3: Cross multiply
    555,460.56x = 765,962.28 × 475,153.92
  4. Step 4: Simplify right side
    555,460.56x = 363,949,979,914.14
  5. Step 5: Solve for x
    x = 363,949,979,914.14/555,460.56
  6. Step 6: Final answer
    x = 655,222.00

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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.