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Finding the Fourth Proportional to 720,955.01, 995,125.01 and 476,118.54

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Solution

The fourth proportional to 720,955.01, 995,125.01 and 476,118.54 is: 657,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,955.01 : 995,125.01 = 476,118.54 : x
  2. Step 2: Convert to fraction form
    720,955.01/995,125.01 = 476,118.54/x
  3. Step 3: Cross multiply
    720,955.01x = 995,125.01 × 476,118.54
  4. Step 4: Simplify right side
    720,955.01x = 473,797,464,498.09
  5. Step 5: Solve for x
    x = 473,797,464,498.09/720,955.01
  6. Step 6: Final answer
    x = 657,180.35

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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.