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Finding the Fourth Proportional to 446,168.68, 615,484.70 and 284,854.19

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Solution

The fourth proportional to 446,168.68, 615,484.70 and 284,854.19 is: 392,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,168.68 : 615,484.70 = 284,854.19 : x
  2. Step 2: Convert to fraction form
    446,168.68/615,484.70 = 284,854.19/x
  3. Step 3: Cross multiply
    446,168.68x = 615,484.70 × 284,854.19
  4. Step 4: Simplify right side
    446,168.68x = 175,323,395,675.89
  5. Step 5: Solve for x
    x = 175,323,395,675.89/446,168.68
  6. Step 6: Final answer
    x = 392,953.17

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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.