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Finding the Fourth Proportional to 583,939.20, 875,908.80 and 334,646.40

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Solution

The fourth proportional to 583,939.20, 875,908.80 and 334,646.40 is: 501,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,939.20 : 875,908.80 = 334,646.40 : x
  2. Step 2: Convert to fraction form
    583,939.20/875,908.80 = 334,646.40/x
  3. Step 3: Cross multiply
    583,939.20x = 875,908.80 × 334,646.40
  4. Step 4: Simplify right side
    583,939.20x = 293,119,726,648.32
  5. Step 5: Solve for x
    x = 293,119,726,648.32/583,939.20
  6. Step 6: Final answer
    x = 501,969.60

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Double scale
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Similar ratio
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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.