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Finding the Fourth Proportional to 612,031.32, 844,341.30 and 382,189.59

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Solution

The fourth proportional to 612,031.32, 844,341.30 and 382,189.59 is: 527,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,031.32 : 844,341.30 = 382,189.59 : x
  2. Step 2: Convert to fraction form
    612,031.32/844,341.30 = 382,189.59/x
  3. Step 3: Cross multiply
    612,031.32x = 844,341.30 × 382,189.59
  4. Step 4: Simplify right side
    612,031.32x = 322,698,455,267.07
  5. Step 5: Solve for x
    x = 322,698,455,267.07/612,031.32
  6. Step 6: Final answer
    x = 527,258.07

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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.