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Finding the Fourth Proportional to 583,443.40, 875,057.10 and 162,632.20

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Solution

The fourth proportional to 583,443.40, 875,057.10 and 162,632.20 is: 243,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,443.40 : 875,057.10 = 162,632.20 : x
  2. Step 2: Convert to fraction form
    583,443.40/875,057.10 = 162,632.20/x
  3. Step 3: Cross multiply
    583,443.40x = 875,057.10 × 162,632.20
  4. Step 4: Simplify right side
    583,443.40x = 142,312,461,298.62
  5. Step 5: Solve for x
    x = 142,312,461,298.62/583,443.40
  6. Step 6: Final answer
    x = 243,918.20

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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.