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Finding the Fourth Proportional to 449,934.01, 620,925.51 and 245,998.51

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Solution

The fourth proportional to 449,934.01, 620,925.51 and 245,998.51 is: 339,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,934.01 : 620,925.51 = 245,998.51 : x
  2. Step 2: Convert to fraction form
    449,934.01/620,925.51 = 245,998.51/x
  3. Step 3: Cross multiply
    449,934.01x = 620,925.51 × 245,998.51
  4. Step 4: Simplify right side
    449,934.01x = 152,746,750,280.99
  5. Step 5: Solve for x
    x = 152,746,750,280.99/449,934.01
  6. Step 6: Final answer
    x = 339,487.01

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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.