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Finding the Fourth Proportional to 575,827.20, 863,740.80 and 552,499.20

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Solution

The fourth proportional to 575,827.20, 863,740.80 and 552,499.20 is: 828,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,827.20 : 863,740.80 = 552,499.20 : x
  2. Step 2: Convert to fraction form
    575,827.20/863,740.80 = 552,499.20/x
  3. Step 3: Cross multiply
    575,827.20x = 863,740.80 × 552,499.20
  4. Step 4: Simplify right side
    575,827.20x = 477,216,101,007.36
  5. Step 5: Solve for x
    x = 477,216,101,007.36/575,827.20
  6. Step 6: Final answer
    x = 828,748.80

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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.