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Finding the Fourth Proportional to 348,547.52, 522,821.19 and 99,229.52

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Solution

The fourth proportional to 348,547.52, 522,821.19 and 99,229.52 is: 148,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,547.52 : 522,821.19 = 99,229.52 : x
  2. Step 2: Convert to fraction form
    348,547.52/522,821.19 = 99,229.52/x
  3. Step 3: Cross multiply
    348,547.52x = 522,821.19 × 99,229.52
  4. Step 4: Simplify right side
    348,547.52x = 51,879,295,729.53
  5. Step 5: Solve for x
    x = 51,879,295,729.53/348,547.52
  6. Step 6: Final answer
    x = 148,844.25

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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.