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Finding the Fourth Proportional to 346,062.48, 477,612.04 and 202,878.80

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Solution

The fourth proportional to 346,062.48, 477,612.04 and 202,878.80 is: 279,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,062.48 : 477,612.04 = 202,878.80 : x
  2. Step 2: Convert to fraction form
    346,062.48/477,612.04 = 202,878.80/x
  3. Step 3: Cross multiply
    346,062.48x = 477,612.04 × 202,878.80
  4. Step 4: Simplify right side
    346,062.48x = 96,897,357,540.75
  5. Step 5: Solve for x
    x = 96,897,357,540.75/346,062.48
  6. Step 6: Final answer
    x = 279,999.60

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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.