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Finding the Fourth Proportional to 575,417.60, 863,191.20 and 176,055.20

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Solution

The fourth proportional to 575,417.60, 863,191.20 and 176,055.20 is: 264,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,417.60 : 863,191.20 = 176,055.20 : x
  2. Step 2: Convert to fraction form
    575,417.60/863,191.20 = 176,055.20/x
  3. Step 3: Cross multiply
    575,417.60x = 863,191.20 × 176,055.20
  4. Step 4: Simplify right side
    575,417.60x = 151,969,299,354.24
  5. Step 5: Solve for x
    x = 151,969,299,354.24/575,417.60
  6. Step 6: Final answer
    x = 264,102.63

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1.5x scale

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.