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Finding the Fourth Proportional to 585,031.40, 807,423.51 and 336,668.24

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Solution

The fourth proportional to 585,031.40, 807,423.51 and 336,668.24 is: 464,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,031.40 : 807,423.51 = 336,668.24 : x
  2. Step 2: Convert to fraction form
    585,031.40/807,423.51 = 336,668.24/x
  3. Step 3: Cross multiply
    585,031.40x = 807,423.51 × 336,668.24
  4. Step 4: Simplify right side
    585,031.40x = 271,833,852,046.32
  5. Step 5: Solve for x
    x = 271,833,852,046.32/585,031.40
  6. Step 6: Final answer
    x = 464,648.31

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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.