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Finding the Fourth Proportional to 532,152.12, 734,671.46 and 369,045.64

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Solution

The fourth proportional to 532,152.12, 734,671.46 and 369,045.64 is: 509,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,152.12 : 734,671.46 = 369,045.64 : x
  2. Step 2: Convert to fraction form
    532,152.12/734,671.46 = 369,045.64/x
  3. Step 3: Cross multiply
    532,152.12x = 734,671.46 × 369,045.64
  4. Step 4: Simplify right side
    532,152.12x = 271,127,299,145.43
  5. Step 5: Solve for x
    x = 271,127,299,145.43/532,152.12
  6. Step 6: Final answer
    x = 509,492.10

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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.