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Finding the Fourth Proportional to 369,666.80, 554,500.20 and 293,559.20

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Solution

The fourth proportional to 369,666.80, 554,500.20 and 293,559.20 is: 440,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,666.80 : 554,500.20 = 293,559.20 : x
  2. Step 2: Convert to fraction form
    369,666.80/554,500.20 = 293,559.20/x
  3. Step 3: Cross multiply
    369,666.80x = 554,500.20 × 293,559.20
  4. Step 4: Simplify right side
    369,666.80x = 162,778,635,111.84
  5. Step 5: Solve for x
    x = 162,778,635,111.84/369,666.80
  6. Step 6: Final answer
    x = 440,338.80

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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.