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Finding the Fourth Proportional to 468,051.20, 702,076.80 and 448,368.20

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Solution

The fourth proportional to 468,051.20, 702,076.80 and 448,368.20 is: 672,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,051.20 : 702,076.80 = 448,368.20 : x
  2. Step 2: Convert to fraction form
    468,051.20/702,076.80 = 448,368.20/x
  3. Step 3: Cross multiply
    468,051.20x = 702,076.80 × 448,368.20
  4. Step 4: Simplify right side
    468,051.20x = 314,788,911,077.76
  5. Step 5: Solve for x
    x = 314,788,911,077.76/468,051.20
  6. Step 6: Final answer
    x = 672,552.30

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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.