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Finding the Fourth Proportional to 334,881.60, 502,030.80 and 201,620.40

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Solution

The fourth proportional to 334,881.60, 502,030.80 and 201,620.40 is: 302,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,881.60 : 502,030.80 = 201,620.40 : x
  2. Step 2: Convert to fraction form
    334,881.60/502,030.80 = 201,620.40/x
  3. Step 3: Cross multiply
    334,881.60x = 502,030.80 × 201,620.40
  4. Step 4: Simplify right side
    334,881.60x = 101,219,650,708.32
  5. Step 5: Solve for x
    x = 101,219,650,708.32/334,881.60
  6. Step 6: Final answer
    x = 302,255.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.