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Finding the Fourth Proportional to 585,042.45, 877,563.68 and 545,676.45

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Solution

The fourth proportional to 585,042.45, 877,563.68 and 545,676.45 is: 818,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,042.45 : 877,563.68 = 545,676.45 : x
  2. Step 2: Convert to fraction form
    585,042.45/877,563.68 = 545,676.45/x
  3. Step 3: Cross multiply
    585,042.45x = 877,563.68 × 545,676.45
  4. Step 4: Simplify right side
    585,042.45x = 478,865,830,822.95
  5. Step 5: Solve for x
    x = 478,865,830,822.95/585,042.45
  6. Step 6: Final answer
    x = 818,514.68

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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.