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Finding the Fourth Proportional to 355,637.40, 533,345.04 and 118,924.80

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Solution

The fourth proportional to 355,637.40, 533,345.04 and 118,924.80 is: 178,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,637.40 : 533,345.04 = 118,924.80 : x
  2. Step 2: Convert to fraction form
    355,637.40/533,345.04 = 118,924.80/x
  3. Step 3: Cross multiply
    355,637.40x = 533,345.04 × 118,924.80
  4. Step 4: Simplify right side
    355,637.40x = 63,427,952,212.99
  5. Step 5: Solve for x
    x = 63,427,952,212.99/355,637.40
  6. Step 6: Final answer
    x = 178,350.06

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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.