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Finding the Fourth Proportional to 579,260.60, 866,922.60 and 508,401.80

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Solution

The fourth proportional to 579,260.60, 866,922.60 and 508,401.80 is: 760,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,260.60 : 866,922.60 = 508,401.80 : x
  2. Step 2: Convert to fraction form
    579,260.60/866,922.60 = 508,401.80/x
  3. Step 3: Cross multiply
    579,260.60x = 866,922.60 × 508,401.80
  4. Step 4: Simplify right side
    579,260.60x = 440,745,010,300.68
  5. Step 5: Solve for x
    x = 440,745,010,300.68/579,260.60
  6. Step 6: Final answer
    x = 760,875.17

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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.