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Finding the Fourth Proportional to 637,046.48, 878,051.40 and 435,492.56

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Solution

The fourth proportional to 637,046.48, 878,051.40 and 435,492.56 is: 600,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,046.48 : 878,051.40 = 435,492.56 : x
  2. Step 2: Convert to fraction form
    637,046.48/878,051.40 = 435,492.56/x
  3. Step 3: Cross multiply
    637,046.48x = 878,051.40 × 435,492.56
  4. Step 4: Simplify right side
    637,046.48x = 382,384,851,997.58
  5. Step 5: Solve for x
    x = 382,384,851,997.58/637,046.48
  6. Step 6: Final answer
    x = 600,246.39

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1.5x scale

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.