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Finding the Fourth Proportional to 415,823.63, 573,803.60 and 234,477.59

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Solution

The fourth proportional to 415,823.63, 573,803.60 and 234,477.59 is: 323,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,823.63 : 573,803.60 = 234,477.59 : x
  2. Step 2: Convert to fraction form
    415,823.63/573,803.60 = 234,477.59/x
  3. Step 3: Cross multiply
    415,823.63x = 573,803.60 × 234,477.59
  4. Step 4: Simplify right side
    415,823.63x = 134,544,081,219.92
  5. Step 5: Solve for x
    x = 134,544,081,219.92/415,823.63
  6. Step 6: Final answer
    x = 323,560.45

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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.