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Finding the Fourth Proportional to 369,322.12, 554,376.84 and 355,937.68

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Solution

The fourth proportional to 369,322.12, 554,376.84 and 355,937.68 is: 534,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,322.12 : 554,376.84 = 355,937.68 : x
  2. Step 2: Convert to fraction form
    369,322.12/554,376.84 = 355,937.68/x
  3. Step 3: Cross multiply
    369,322.12x = 554,376.84 × 355,937.68
  4. Step 4: Simplify right side
    369,322.12x = 197,323,606,275.33
  5. Step 5: Solve for x
    x = 197,323,606,275.33/369,322.12
  6. Step 6: Final answer
    x = 534,285.91

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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.