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Finding the Fourth Proportional to 360,627.40, 497,659.66 and 199,482.32

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Solution

The fourth proportional to 360,627.40, 497,659.66 and 199,482.32 is: 275,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,627.40 : 497,659.66 = 199,482.32 : x
  2. Step 2: Convert to fraction form
    360,627.40/497,659.66 = 199,482.32/x
  3. Step 3: Cross multiply
    360,627.40x = 497,659.66 × 199,482.32
  4. Step 4: Simplify right side
    360,627.40x = 99,274,303,547.21
  5. Step 5: Solve for x
    x = 99,274,303,547.21/360,627.40
  6. Step 6: Final answer
    x = 275,282.20

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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.