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Finding the Fourth Proportional to 985,311.07, 1,359,728.67 and 532,602.07

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Solution

The fourth proportional to 985,311.07, 1,359,728.67 and 532,602.07 is: 734,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,311.07 : 1,359,728.67 = 532,602.07 : x
  2. Step 2: Convert to fraction form
    985,311.07/1,359,728.67 = 532,602.07/x
  3. Step 3: Cross multiply
    985,311.07x = 1,359,728.67 × 532,602.07
  4. Step 4: Simplify right side
    985,311.07x = 724,194,304,280.35
  5. Step 5: Solve for x
    x = 724,194,304,280.35/985,311.07
  6. Step 6: Final answer
    x = 734,990.53

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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.