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Finding the Fourth Proportional to 962,384.64, 1,328,069.88 and 532,638.96

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Solution

The fourth proportional to 962,384.64, 1,328,069.88 and 532,638.96 is: 735,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,384.64 : 1,328,069.88 = 532,638.96 : x
  2. Step 2: Convert to fraction form
    962,384.64/1,328,069.88 = 532,638.96/x
  3. Step 3: Cross multiply
    962,384.64x = 1,328,069.88 × 532,638.96
  4. Step 4: Simplify right side
    962,384.64x = 707,381,759,690.53
  5. Step 5: Solve for x
    x = 707,381,759,690.53/962,384.64
  6. Step 6: Final answer
    x = 735,030.18

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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.