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Finding the Fourth Proportional to 346,125.97, 477,870.06 and 265,398.40

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Solution

The fourth proportional to 346,125.97, 477,870.06 and 265,398.40 is: 366,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,125.97 : 477,870.06 = 265,398.40 : x
  2. Step 2: Convert to fraction form
    346,125.97/477,870.06 = 265,398.40/x
  3. Step 3: Cross multiply
    346,125.97x = 477,870.06 × 265,398.40
  4. Step 4: Simplify right side
    346,125.97x = 126,825,949,331.90
  5. Step 5: Solve for x
    x = 126,825,949,331.90/346,125.97
  6. Step 6: Final answer
    x = 366,415.58

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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.