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Finding the Fourth Proportional to 452,275.25, 624,189.54 and 258,700.84

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Solution

The fourth proportional to 452,275.25, 624,189.54 and 258,700.84 is: 357,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,275.25 : 624,189.54 = 258,700.84 : x
  2. Step 2: Convert to fraction form
    452,275.25/624,189.54 = 258,700.84/x
  3. Step 3: Cross multiply
    452,275.25x = 624,189.54 × 258,700.84
  4. Step 4: Simplify right side
    452,275.25x = 161,478,357,726.87
  5. Step 5: Solve for x
    x = 161,478,357,726.87/452,275.25
  6. Step 6: Final answer
    x = 357,035.59

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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.