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Finding the Fourth Proportional to 575,565.70, 863,340.45 and 260,022.10

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Solution

The fourth proportional to 575,565.70, 863,340.45 and 260,022.10 is: 390,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,565.70 : 863,340.45 = 260,022.10 : x
  2. Step 2: Convert to fraction form
    575,565.70/863,340.45 = 260,022.10/x
  3. Step 3: Cross multiply
    575,565.70x = 863,340.45 × 260,022.10
  4. Step 4: Simplify right side
    575,565.70x = 224,487,596,823.95
  5. Step 5: Solve for x
    x = 224,487,596,823.95/575,565.70
  6. Step 6: Final answer
    x = 390,029.49

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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.