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Finding the Fourth Proportional to 575,639.70, 863,451.45 and 260,096.10

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Solution

The fourth proportional to 575,639.70, 863,451.45 and 260,096.10 is: 390,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,639.70 : 863,451.45 = 260,096.10 : x
  2. Step 2: Convert to fraction form
    575,639.70/863,451.45 = 260,096.10/x
  3. Step 3: Cross multiply
    575,639.70x = 863,451.45 × 260,096.10
  4. Step 4: Simplify right side
    575,639.70x = 224,580,354,684.35
  5. Step 5: Solve for x
    x = 224,580,354,684.35/575,639.70
  6. Step 6: Final answer
    x = 390,140.49

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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.