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Finding the Fourth Proportional to 616,838.84, 851,190.72 and 375,088.04

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Solution

The fourth proportional to 616,838.84, 851,190.72 and 375,088.04 is: 517,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,838.84 : 851,190.72 = 375,088.04 : x
  2. Step 2: Convert to fraction form
    616,838.84/851,190.72 = 375,088.04/x
  3. Step 3: Cross multiply
    616,838.84x = 851,190.72 × 375,088.04
  4. Step 4: Simplify right side
    616,838.84x = 319,271,458,830.99
  5. Step 5: Solve for x
    x = 319,271,458,830.99/616,838.84
  6. Step 6: Final answer
    x = 517,592.99

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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.