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Finding the Fourth Proportional to 603,209.48, 832,365.30 and 348,641.48

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Solution

The fourth proportional to 603,209.48, 832,365.30 and 348,641.48 is: 481,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,209.48 : 832,365.30 = 348,641.48 : x
  2. Step 2: Convert to fraction form
    603,209.48/832,365.30 = 348,641.48/x
  3. Step 3: Cross multiply
    603,209.48x = 832,365.30 × 348,641.48
  4. Step 4: Simplify right side
    603,209.48x = 290,197,070,092.64
  5. Step 5: Solve for x
    x = 290,197,070,092.64/603,209.48
  6. Step 6: Final answer
    x = 481,088.38

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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.