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Finding the Fourth Proportional to 612,358.82, 845,467.54 and 547,627.22

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Solution

The fourth proportional to 612,358.82, 845,467.54 and 547,627.22 is: 756,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,358.82 : 845,467.54 = 547,627.22 : x
  2. Step 2: Convert to fraction form
    612,358.82/845,467.54 = 547,627.22/x
  3. Step 3: Cross multiply
    612,358.82x = 845,467.54 × 547,627.22
  4. Step 4: Simplify right side
    612,358.82x = 463,001,032,934.03
  5. Step 5: Solve for x
    x = 463,001,032,934.03/612,358.82
  6. Step 6: Final answer
    x = 756,094.34

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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.