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Finding the Fourth Proportional to 575,817.80, 863,726.70 and 176,455.40

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Solution

The fourth proportional to 575,817.80, 863,726.70 and 176,455.40 is: 264,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,817.80 : 863,726.70 = 176,455.40 : x
  2. Step 2: Convert to fraction form
    575,817.80/863,726.70 = 176,455.40/x
  3. Step 3: Cross multiply
    575,817.80x = 863,726.70 × 176,455.40
  4. Step 4: Simplify right side
    575,817.80x = 152,409,240,339.18
  5. Step 5: Solve for x
    x = 152,409,240,339.18/575,817.80
  6. Step 6: Final answer
    x = 264,683.10

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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.