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Finding the Fourth Proportional to 346,130.29, 477,703.29 and 200,904.84

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Solution

The fourth proportional to 346,130.29, 477,703.29 and 200,904.84 is: 277,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,130.29 : 477,703.29 = 200,904.84 : x
  2. Step 2: Convert to fraction form
    346,130.29/477,703.29 = 200,904.84/x
  3. Step 3: Cross multiply
    346,130.29x = 477,703.29 × 200,904.84
  4. Step 4: Simplify right side
    346,130.29x = 95,972,903,798.32
  5. Step 5: Solve for x
    x = 95,972,903,798.32/346,130.29
  6. Step 6: Final answer
    x = 277,273.92

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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.