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Finding the Fourth Proportional to 355,637.81, 533,600.90 and 155,852.93

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Solution

The fourth proportional to 355,637.81, 533,600.90 and 155,852.93 is: 233,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,637.81 : 533,600.90 = 155,852.93 : x
  2. Step 2: Convert to fraction form
    355,637.81/533,600.90 = 155,852.93/x
  3. Step 3: Cross multiply
    355,637.81x = 533,600.90 × 155,852.93
  4. Step 4: Simplify right side
    355,637.81x = 83,163,263,715.64
  5. Step 5: Solve for x
    x = 83,163,263,715.64/355,637.81
  6. Step 6: Final answer
    x = 233,842.58

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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.