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Finding the Fourth Proportional to 335,000.80, 502,342.80 and 194,802.40

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Solution

The fourth proportional to 335,000.80, 502,342.80 and 194,802.40 is: 292,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,000.80 : 502,342.80 = 194,802.40 : x
  2. Step 2: Convert to fraction form
    335,000.80/502,342.80 = 194,802.40/x
  3. Step 3: Cross multiply
    335,000.80x = 502,342.80 × 194,802.40
  4. Step 4: Simplify right side
    335,000.80x = 97,857,583,062.72
  5. Step 5: Solve for x
    x = 97,857,583,062.72/335,000.80
  6. Step 6: Final answer
    x = 292,111.49

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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.