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Finding the Fourth Proportional to 575,528.80, 863,217.60 and 176,209.60

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Solution

The fourth proportional to 575,528.80, 863,217.60 and 176,209.60 is: 264,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,528.80 : 863,217.60 = 176,209.60 : x
  2. Step 2: Convert to fraction form
    575,528.80/863,217.60 = 176,209.60/x
  3. Step 3: Cross multiply
    575,528.80x = 863,217.60 × 176,209.60
  4. Step 4: Simplify right side
    575,528.80x = 152,107,228,008.96
  5. Step 5: Solve for x
    x = 152,107,228,008.96/575,528.80
  6. Step 6: Final answer
    x = 264,291.25

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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.