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Finding the Fourth Proportional to 575,812.80, 863,719.20 and 533,822.40

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Solution

The fourth proportional to 575,812.80, 863,719.20 and 533,822.40 is: 800,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,812.80 : 863,719.20 = 533,822.40 : x
  2. Step 2: Convert to fraction form
    575,812.80/863,719.20 = 533,822.40/x
  3. Step 3: Cross multiply
    575,812.80x = 863,719.20 × 533,822.40
  4. Step 4: Simplify right side
    575,812.80x = 461,072,656,270.08
  5. Step 5: Solve for x
    x = 461,072,656,270.08/575,812.80
  6. Step 6: Final answer
    x = 800,733.60

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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.