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Finding the Fourth Proportional to 295,707.60, 415,040.40 and 295,707.60

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Solution

The fourth proportional to 295,707.60, 415,040.40 and 295,707.60 is: 415,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,707.60 : 415,040.40 = 295,707.60 : x
  2. Step 2: Convert to fraction form
    295,707.60/415,040.40 = 295,707.60/x
  3. Step 3: Cross multiply
    295,707.60x = 415,040.40 × 295,707.60
  4. Step 4: Simplify right side
    295,707.60x = 122,730,600,587.04
  5. Step 5: Solve for x
    x = 122,730,600,587.04/295,707.60
  6. Step 6: Final answer
    x = 415,040.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.