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Finding the Fourth Proportional to 635,574.36, 953,360.70 and 162,259.80

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Solution

The fourth proportional to 635,574.36, 953,360.70 and 162,259.80 is: 243,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,574.36 : 953,360.70 = 162,259.80 : x
  2. Step 2: Convert to fraction form
    635,574.36/953,360.70 = 162,259.80/x
  3. Step 3: Cross multiply
    635,574.36x = 953,360.70 × 162,259.80
  4. Step 4: Simplify right side
    635,574.36x = 154,692,116,509.86
  5. Step 5: Solve for x
    x = 154,692,116,509.86/635,574.36
  6. Step 6: Final answer
    x = 243,389.49

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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.