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Finding the Fourth Proportional to 346,127.98, 477,872.82 and 265,400.40

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Solution

The fourth proportional to 346,127.98, 477,872.82 and 265,400.40 is: 366,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,127.98 : 477,872.82 = 265,400.40 : x
  2. Step 2: Convert to fraction form
    346,127.98/477,872.82 = 265,400.40/x
  3. Step 3: Cross multiply
    346,127.98x = 477,872.82 × 265,400.40
  4. Step 4: Simplify right side
    346,127.98x = 126,827,637,577.13
  5. Step 5: Solve for x
    x = 126,827,637,577.13/346,127.98
  6. Step 6: Final answer
    x = 366,418.33

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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.