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Finding the Fourth Proportional to 578,078.18, 797,681.34 and 333,098.66

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Solution

The fourth proportional to 578,078.18, 797,681.34 and 333,098.66 is: 459,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,078.18 : 797,681.34 = 333,098.66 : x
  2. Step 2: Convert to fraction form
    578,078.18/797,681.34 = 333,098.66/x
  3. Step 3: Cross multiply
    578,078.18x = 797,681.34 × 333,098.66
  4. Step 4: Simplify right side
    578,078.18x = 265,706,585,461.00
  5. Step 5: Solve for x
    x = 265,706,585,461.00/578,078.18
  6. Step 6: Final answer
    x = 459,637.80

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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.