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Finding the Fourth Proportional to 310,877.66, 429,011.22 and 176,741.66

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Solution

The fourth proportional to 310,877.66, 429,011.22 and 176,741.66 is: 243,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,877.66 : 429,011.22 = 176,741.66 : x
  2. Step 2: Convert to fraction form
    310,877.66/429,011.22 = 176,741.66/x
  3. Step 3: Cross multiply
    310,877.66x = 429,011.22 × 176,741.66
  4. Step 4: Simplify right side
    310,877.66x = 75,824,155,181.43
  5. Step 5: Solve for x
    x = 75,824,155,181.43/310,877.66
  6. Step 6: Final answer
    x = 243,903.52

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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.