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Finding the Fourth Proportional to 575,457.80, 863,186.70 and 366,024.20

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Solution

The fourth proportional to 575,457.80, 863,186.70 and 366,024.20 is: 549,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,457.80 : 863,186.70 = 366,024.20 : x
  2. Step 2: Convert to fraction form
    575,457.80/863,186.70 = 366,024.20/x
  3. Step 3: Cross multiply
    575,457.80x = 863,186.70 × 366,024.20
  4. Step 4: Simplify right side
    575,457.80x = 315,947,221,318.14
  5. Step 5: Solve for x
    x = 315,947,221,318.14/575,457.80
  6. Step 6: Final answer
    x = 549,036.30

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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.