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Finding the Fourth Proportional to 585,878.99, 878,818.49 and 555,960.83

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Solution

The fourth proportional to 585,878.99, 878,818.49 and 555,960.83 is: 833,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,878.99 : 878,818.49 = 555,960.83 : x
  2. Step 2: Convert to fraction form
    585,878.99/878,818.49 = 555,960.83/x
  3. Step 3: Cross multiply
    585,878.99x = 878,818.49 × 555,960.83
  4. Step 4: Simplify right side
    585,878.99x = 488,588,657,119.75
  5. Step 5: Solve for x
    x = 488,588,657,119.75/585,878.99
  6. Step 6: Final answer
    x = 833,941.25

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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.