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Finding the Fourth Proportional to 575,693.70, 863,532.45 and 260,150.10

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Solution

The fourth proportional to 575,693.70, 863,532.45 and 260,150.10 is: 390,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,693.70 : 863,532.45 = 260,150.10 : x
  2. Step 2: Convert to fraction form
    575,693.70/863,532.45 = 260,150.10/x
  3. Step 3: Cross multiply
    575,693.70x = 863,532.45 × 260,150.10
  4. Step 4: Simplify right side
    575,693.70x = 224,648,053,220.75
  5. Step 5: Solve for x
    x = 224,648,053,220.75/575,693.70
  6. Step 6: Final answer
    x = 390,221.49

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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.