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Finding the Fourth Proportional to 584,055.32, 806,361.20 and 447,827.42

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Solution

The fourth proportional to 584,055.32, 806,361.20 and 447,827.42 is: 618,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,055.32 : 806,361.20 = 447,827.42 : x
  2. Step 2: Convert to fraction form
    584,055.32/806,361.20 = 447,827.42/x
  3. Step 3: Cross multiply
    584,055.32x = 806,361.20 × 447,827.42
  4. Step 4: Simplify right side
    584,055.32x = 361,110,655,784.10
  5. Step 5: Solve for x
    x = 361,110,655,784.10/584,055.32
  6. Step 6: Final answer
    x = 618,281.60

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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.