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Finding the Fourth Proportional to 261,460.93, 360,809.08 and 148,281.25

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Solution

The fourth proportional to 261,460.93, 360,809.08 and 148,281.25 is: 204,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,460.93 : 360,809.08 = 148,281.25 : x
  2. Step 2: Convert to fraction form
    261,460.93/360,809.08 = 148,281.25/x
  3. Step 3: Cross multiply
    261,460.93x = 360,809.08 × 148,281.25
  4. Step 4: Simplify right side
    261,460.93x = 53,501,221,393.75
  5. Step 5: Solve for x
    x = 53,501,221,393.75/261,460.93
  6. Step 6: Final answer
    x = 204,624.15

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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.