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Finding the Fourth Proportional to 369,629.80, 554,444.70 and 346,301.80

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Solution

The fourth proportional to 369,629.80, 554,444.70 and 346,301.80 is: 519,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,629.80 : 554,444.70 = 346,301.80 : x
  2. Step 2: Convert to fraction form
    369,629.80/554,444.70 = 346,301.80/x
  3. Step 3: Cross multiply
    369,629.80x = 554,444.70 × 346,301.80
  4. Step 4: Simplify right side
    369,629.80x = 192,005,197,610.46
  5. Step 5: Solve for x
    x = 192,005,197,610.46/369,629.80
  6. Step 6: Final answer
    x = 519,452.70

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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.