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Finding the Fourth Proportional to 346,104.48, 477,840.40 and 265,376.84

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Solution

The fourth proportional to 346,104.48, 477,840.40 and 265,376.84 is: 366,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,104.48 : 477,840.40 = 265,376.84 : x
  2. Step 2: Convert to fraction form
    346,104.48/477,840.40 = 265,376.84/x
  3. Step 3: Cross multiply
    346,104.48x = 477,840.40 × 265,376.84
  4. Step 4: Simplify right side
    346,104.48x = 126,807,775,376.34
  5. Step 5: Solve for x
    x = 126,807,775,376.34/346,104.48
  6. Step 6: Final answer
    x = 366,385.82

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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.