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Finding the Fourth Proportional to 539,547.40, 809,418.30 and 224,036.20

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Solution

The fourth proportional to 539,547.40, 809,418.30 and 224,036.20 is: 336,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,547.40 : 809,418.30 = 224,036.20 : x
  2. Step 2: Convert to fraction form
    539,547.40/809,418.30 = 224,036.20/x
  3. Step 3: Cross multiply
    539,547.40x = 809,418.30 × 224,036.20
  4. Step 4: Simplify right side
    539,547.40x = 181,339,000,142.46
  5. Step 5: Solve for x
    x = 181,339,000,142.46/539,547.40
  6. Step 6: Final answer
    x = 336,094.66

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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.