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Finding the Fourth Proportional to 330,647.90, 456,264.93 and 183,476.47

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Solution

The fourth proportional to 330,647.90, 456,264.93 and 183,476.47 is: 253,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,647.90 : 456,264.93 = 183,476.47 : x
  2. Step 2: Convert to fraction form
    330,647.90/456,264.93 = 183,476.47/x
  3. Step 3: Cross multiply
    330,647.90x = 456,264.93 × 183,476.47
  4. Step 4: Simplify right side
    330,647.90x = 83,713,876,312.74
  5. Step 5: Solve for x
    x = 83,713,876,312.74/330,647.90
  6. Step 6: Final answer
    x = 253,181.34

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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.