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Finding the Fourth Proportional to 585,010.30, 877,515.45 and 382,056.70

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Solution

The fourth proportional to 585,010.30, 877,515.45 and 382,056.70 is: 573,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,010.30 : 877,515.45 = 382,056.70 : x
  2. Step 2: Convert to fraction form
    585,010.30/877,515.45 = 382,056.70/x
  3. Step 3: Cross multiply
    585,010.30x = 877,515.45 × 382,056.70
  4. Step 4: Simplify right side
    585,010.30x = 335,260,657,026.02
  5. Step 5: Solve for x
    x = 335,260,657,026.02/585,010.30
  6. Step 6: Final answer
    x = 573,085.05

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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.