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Finding the Fourth Proportional to 360,794.34, 497,949 and 207,803.12

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Solution

The fourth proportional to 360,794.34, 497,949 and 207,803.12 is: 286,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,794.34 : 497,949 = 207,803.12 : x
  2. Step 2: Convert to fraction form
    360,794.34/497,949 = 207,803.12/x
  3. Step 3: Cross multiply
    360,794.34x = 497,949 × 207,803.12
  4. Step 4: Simplify right side
    360,794.34x = 103,475,353,311.14
  5. Step 5: Solve for x
    x = 103,475,353,311.14/360,794.34
  6. Step 6: Final answer
    x = 286,798.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.