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Finding the Fourth Proportional to 404,230.20, 606,345.30 and 384,547.20

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Solution

The fourth proportional to 404,230.20, 606,345.30 and 384,547.20 is: 576,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,230.20 : 606,345.30 = 384,547.20 : x
  2. Step 2: Convert to fraction form
    404,230.20/606,345.30 = 384,547.20/x
  3. Step 3: Cross multiply
    404,230.20x = 606,345.30 × 384,547.20
  4. Step 4: Simplify right side
    404,230.20x = 233,168,387,348.16
  5. Step 5: Solve for x
    x = 233,168,387,348.16/404,230.20
  6. Step 6: Final answer
    x = 576,820.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.