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Finding the Fourth Proportional to 586,555.80, 877,209.30 and 492,077.40

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Solution

The fourth proportional to 586,555.80, 877,209.30 and 492,077.40 is: 735,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,555.80 : 877,209.30 = 492,077.40 : x
  2. Step 2: Convert to fraction form
    586,555.80/877,209.30 = 492,077.40/x
  3. Step 3: Cross multiply
    586,555.80x = 877,209.30 × 492,077.40
  4. Step 4: Simplify right side
    586,555.80x = 431,654,871,599.82
  5. Step 5: Solve for x
    x = 431,654,871,599.82/586,555.80
  6. Step 6: Final answer
    x = 735,914.42

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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.