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Finding the Fourth Proportional to 423,305.64, 635,152.86 and 183,492.72

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Solution

The fourth proportional to 423,305.64, 635,152.86 and 183,492.72 is: 275,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,305.64 : 635,152.86 = 183,492.72 : x
  2. Step 2: Convert to fraction form
    423,305.64/635,152.86 = 183,492.72/x
  3. Step 3: Cross multiply
    423,305.64x = 635,152.86 × 183,492.72
  4. Step 4: Simplify right side
    423,305.64x = 116,545,925,897.18
  5. Step 5: Solve for x
    x = 116,545,925,897.18/423,305.64
  6. Step 6: Final answer
    x = 275,323.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.