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Finding the Fourth Proportional to 666,034.29, 919,113.62 and 364,228.29

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Solution

The fourth proportional to 666,034.29, 919,113.62 and 364,228.29 is: 502,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,034.29 : 919,113.62 = 364,228.29 : x
  2. Step 2: Convert to fraction form
    666,034.29/919,113.62 = 364,228.29/x
  3. Step 3: Cross multiply
    666,034.29x = 919,113.62 × 364,228.29
  4. Step 4: Simplify right side
    666,034.29x = 334,767,180,307.17
  5. Step 5: Solve for x
    x = 334,767,180,307.17/666,034.29
  6. Step 6: Final answer
    x = 502,627.55

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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.