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Finding the Fourth Proportional to 585,042.80, 877,564.20 and 333,100.40

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Solution

The fourth proportional to 585,042.80, 877,564.20 and 333,100.40 is: 499,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,042.80 : 877,564.20 = 333,100.40 : x
  2. Step 2: Convert to fraction form
    585,042.80/877,564.20 = 333,100.40/x
  3. Step 3: Cross multiply
    585,042.80x = 877,564.20 × 333,100.40
  4. Step 4: Simplify right side
    585,042.80x = 292,316,986,045.68
  5. Step 5: Solve for x
    x = 292,316,986,045.68/585,042.80
  6. Step 6: Final answer
    x = 499,650.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.