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Finding the Fourth Proportional to 415,670.04, 573,630.72 and 234,390.60

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Solution

The fourth proportional to 415,670.04, 573,630.72 and 234,390.60 is: 323,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,670.04 : 573,630.72 = 234,390.60 : x
  2. Step 2: Convert to fraction form
    415,670.04/573,630.72 = 234,390.60/x
  3. Step 3: Cross multiply
    415,670.04x = 573,630.72 × 234,390.60
  4. Step 4: Simplify right side
    415,670.04x = 134,453,648,639.23
  5. Step 5: Solve for x
    x = 134,453,648,639.23/415,670.04
  6. Step 6: Final answer
    x = 323,462.45

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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.