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Finding the Fourth Proportional to 586,564.80, 877,222.80 and 492,086.40

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Solution

The fourth proportional to 586,564.80, 877,222.80 and 492,086.40 is: 735,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,564.80 : 877,222.80 = 492,086.40 : x
  2. Step 2: Convert to fraction form
    586,564.80/877,222.80 = 492,086.40/x
  3. Step 3: Cross multiply
    586,564.80x = 877,222.80 × 492,086.40
  4. Step 4: Simplify right side
    586,564.80x = 431,669,409,649.92
  5. Step 5: Solve for x
    x = 431,669,409,649.92/586,564.80
  6. Step 6: Final answer
    x = 735,927.91

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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.