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Finding the Fourth Proportional to 348,364.80, 522,547.20 and 190,900.80

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Solution

The fourth proportional to 348,364.80, 522,547.20 and 190,900.80 is: 286,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,364.80 : 522,547.20 = 190,900.80 : x
  2. Step 2: Convert to fraction form
    348,364.80/522,547.20 = 190,900.80/x
  3. Step 3: Cross multiply
    348,364.80x = 522,547.20 × 190,900.80
  4. Step 4: Simplify right side
    348,364.80x = 99,754,678,517.76
  5. Step 5: Solve for x
    x = 99,754,678,517.76/348,364.80
  6. Step 6: Final answer
    x = 286,351.20

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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.