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Finding the Fourth Proportional to 418,468.32, 577,490.04 and 227,482.08

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Solution

The fourth proportional to 418,468.32, 577,490.04 and 227,482.08 is: 313,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,468.32 : 577,490.04 = 227,482.08 : x
  2. Step 2: Convert to fraction form
    418,468.32/577,490.04 = 227,482.08/x
  3. Step 3: Cross multiply
    418,468.32x = 577,490.04 × 227,482.08
  4. Step 4: Simplify right side
    418,468.32x = 131,368,635,478.48
  5. Step 5: Solve for x
    x = 131,368,635,478.48/418,468.32
  6. Step 6: Final answer
    x = 313,927.31

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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.