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Finding the Fourth Proportional to 585,052.70, 877,579.05 and 545,686.70

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Solution

The fourth proportional to 585,052.70, 877,579.05 and 545,686.70 is: 818,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,052.70 : 877,579.05 = 545,686.70 : x
  2. Step 2: Convert to fraction form
    585,052.70/877,579.05 = 545,686.70/x
  3. Step 3: Cross multiply
    585,052.70x = 877,579.05 × 545,686.70
  4. Step 4: Simplify right side
    585,052.70x = 478,883,215,783.64
  5. Step 5: Solve for x
    x = 478,883,215,783.64/585,052.70
  6. Step 6: Final answer
    x = 818,530.05

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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.