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Finding the Fourth Proportional to 666,038.04, 919,118.79 and 364,232.04

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Solution

The fourth proportional to 666,038.04, 919,118.79 and 364,232.04 is: 502,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,038.04 : 919,118.79 = 364,232.04 : x
  2. Step 2: Convert to fraction form
    666,038.04/919,118.79 = 364,232.04/x
  3. Step 3: Cross multiply
    666,038.04x = 919,118.79 × 364,232.04
  4. Step 4: Simplify right side
    666,038.04x = 334,772,511,884.03
  5. Step 5: Solve for x
    x = 334,772,511,884.03/666,038.04
  6. Step 6: Final answer
    x = 502,632.72

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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.