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Finding the Fourth Proportional to 575,417.70, 864,110.70 and 376,619.40

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Solution

The fourth proportional to 575,417.70, 864,110.70 and 376,619.40 is: 565,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,417.70 : 864,110.70 = 376,619.40 : x
  2. Step 2: Convert to fraction form
    575,417.70/864,110.70 = 376,619.40/x
  3. Step 3: Cross multiply
    575,417.70x = 864,110.70 × 376,619.40
  4. Step 4: Simplify right side
    575,417.70x = 325,440,853,367.58
  5. Step 5: Solve for x
    x = 325,440,853,367.58/575,417.70
  6. Step 6: Final answer
    x = 565,573.24

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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.