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Finding the Fourth Proportional to 465,091.60, 697,637.40 and 457,218.40

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Solution

The fourth proportional to 465,091.60, 697,637.40 and 457,218.40 is: 685,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,091.60 : 697,637.40 = 457,218.40 : x
  2. Step 2: Convert to fraction form
    465,091.60/697,637.40 = 457,218.40/x
  3. Step 3: Cross multiply
    465,091.60x = 697,637.40 × 457,218.40
  4. Step 4: Simplify right side
    465,091.60x = 318,972,655,808.16
  5. Step 5: Solve for x
    x = 318,972,655,808.16/465,091.60
  6. Step 6: Final answer
    x = 685,827.60

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Similar ratio
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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.