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Finding the Fourth Proportional to 373,547.34, 515,494.26 and 203,780.25

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Solution

The fourth proportional to 373,547.34, 515,494.26 and 203,780.25 is: 281,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,547.34 : 515,494.26 = 203,780.25 : x
  2. Step 2: Convert to fraction form
    373,547.34/515,494.26 = 203,780.25/x
  3. Step 3: Cross multiply
    373,547.34x = 515,494.26 × 203,780.25
  4. Step 4: Simplify right side
    373,547.34x = 105,047,549,176.37
  5. Step 5: Solve for x
    x = 105,047,549,176.37/373,547.34
  6. Step 6: Final answer
    x = 281,216.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.