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Finding the Fourth Proportional to 370,378.02, 511,114.29 and 207,033.72

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Solution

The fourth proportional to 370,378.02, 511,114.29 and 207,033.72 is: 285,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,378.02 : 511,114.29 = 207,033.72 : x
  2. Step 2: Convert to fraction form
    370,378.02/511,114.29 = 207,033.72/x
  3. Step 3: Cross multiply
    370,378.02x = 511,114.29 × 207,033.72
  4. Step 4: Simplify right side
    370,378.02x = 105,817,892,803.86
  5. Step 5: Solve for x
    x = 105,817,892,803.86/370,378.02
  6. Step 6: Final answer
    x = 285,702.41

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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.