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Finding the Fourth Proportional to 551,528.16, 761,191.14 and 336,792.72

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Solution

The fourth proportional to 551,528.16, 761,191.14 and 336,792.72 is: 464,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,528.16 : 761,191.14 = 336,792.72 : x
  2. Step 2: Convert to fraction form
    551,528.16/761,191.14 = 336,792.72/x
  3. Step 3: Cross multiply
    551,528.16x = 761,191.14 × 336,792.72
  4. Step 4: Simplify right side
    551,528.16x = 256,363,634,480.50
  5. Step 5: Solve for x
    x = 256,363,634,480.50/551,528.16
  6. Step 6: Final answer
    x = 464,824.20

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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.