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Finding the Fourth Proportional to 575,400.90, 863,070.14 and 176,041.60

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Solution

The fourth proportional to 575,400.90, 863,070.14 and 176,041.60 is: 264,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,400.90 : 863,070.14 = 176,041.60 : x
  2. Step 2: Convert to fraction form
    575,400.90/863,070.14 = 176,041.60/x
  3. Step 3: Cross multiply
    575,400.90x = 863,070.14 × 176,041.60
  4. Step 4: Simplify right side
    575,400.90x = 151,936,248,357.82
  5. Step 5: Solve for x
    x = 151,936,248,357.82/575,400.90
  6. Step 6: Final answer
    x = 264,052.85

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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.