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Finding the Fourth Proportional to 304,752.32, 420,561.30 and 183,870.25

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Solution

The fourth proportional to 304,752.32, 420,561.30 and 183,870.25 is: 253,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,752.32 : 420,561.30 = 183,870.25 : x
  2. Step 2: Convert to fraction form
    304,752.32/420,561.30 = 183,870.25/x
  3. Step 3: Cross multiply
    304,752.32x = 420,561.30 × 183,870.25
  4. Step 4: Simplify right side
    304,752.32x = 77,328,712,340.82
  5. Step 5: Solve for x
    x = 77,328,712,340.82/304,752.32
  6. Step 6: Final answer
    x = 253,742.81

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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.