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Finding the Fourth Proportional to 615,514.90, 849,552.24 and 360,948.10

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Solution

The fourth proportional to 615,514.90, 849,552.24 and 360,948.10 is: 498,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,514.90 : 849,552.24 = 360,948.10 : x
  2. Step 2: Convert to fraction form
    615,514.90/849,552.24 = 360,948.10/x
  3. Step 3: Cross multiply
    615,514.90x = 849,552.24 × 360,948.10
  4. Step 4: Simplify right side
    615,514.90x = 306,644,266,878.74
  5. Step 5: Solve for x
    x = 306,644,266,878.74/615,514.90
  6. Step 6: Final answer
    x = 498,191.46

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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.