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Finding the Fourth Proportional to 532,907.70, 798,681.15 and 217,007.70

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Solution

The fourth proportional to 532,907.70, 798,681.15 and 217,007.70 is: 325,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,907.70 : 798,681.15 = 217,007.70 : x
  2. Step 2: Convert to fraction form
    532,907.70/798,681.15 = 217,007.70/x
  3. Step 3: Cross multiply
    532,907.70x = 798,681.15 × 217,007.70
  4. Step 4: Simplify right side
    532,907.70x = 173,319,959,394.86
  5. Step 5: Solve for x
    x = 173,319,959,394.86/532,907.70
  6. Step 6: Final answer
    x = 325,234.48

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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.