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Finding the Fourth Proportional to 325,637.40, 488,456.10 and 296,088.60

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Solution

The fourth proportional to 325,637.40, 488,456.10 and 296,088.60 is: 444,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,637.40 : 488,456.10 = 296,088.60 : x
  2. Step 2: Convert to fraction form
    325,637.40/488,456.10 = 296,088.60/x
  3. Step 3: Cross multiply
    325,637.40x = 488,456.10 × 296,088.60
  4. Step 4: Simplify right side
    325,637.40x = 144,626,282,810.46
  5. Step 5: Solve for x
    x = 144,626,282,810.46/325,637.40
  6. Step 6: Final answer
    x = 444,132.90

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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.