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Finding the Fourth Proportional to 349,501.60, 524,252.40 and 96,781.60

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Solution

The fourth proportional to 349,501.60, 524,252.40 and 96,781.60 is: 145,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,501.60 : 524,252.40 = 96,781.60 : x
  2. Step 2: Convert to fraction form
    349,501.60/524,252.40 = 96,781.60/x
  3. Step 3: Cross multiply
    349,501.60x = 524,252.40 × 96,781.60
  4. Step 4: Simplify right side
    349,501.60x = 50,737,986,075.84
  5. Step 5: Solve for x
    x = 50,737,986,075.84/349,501.60
  6. Step 6: Final answer
    x = 145,172.40

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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.