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Finding the Fourth Proportional to 453,463.72, 679,903.98 and 216,801.16

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Solution

The fourth proportional to 453,463.72, 679,903.98 and 216,801.16 is: 325,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,463.72 : 679,903.98 = 216,801.16 : x
  2. Step 2: Convert to fraction form
    453,463.72/679,903.98 = 216,801.16/x
  3. Step 3: Cross multiply
    453,463.72x = 679,903.98 × 216,801.16
  4. Step 4: Simplify right side
    453,463.72x = 147,403,971,552.62
  5. Step 5: Solve for x
    x = 147,403,971,552.62/453,463.72
  6. Step 6: Final answer
    x = 325,062.33

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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.