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Finding the Fourth Proportional to 255,532.77, 382,875.41 and 155,390.04

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Solution

The fourth proportional to 255,532.77, 382,875.41 and 155,390.04 is: 232,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,532.77 : 382,875.41 = 155,390.04 : x
  2. Step 2: Convert to fraction form
    255,532.77/382,875.41 = 155,390.04/x
  3. Step 3: Cross multiply
    255,532.77x = 382,875.41 × 155,390.04
  4. Step 4: Simplify right side
    255,532.77x = 59,495,025,663.39
  5. Step 5: Solve for x
    x = 59,495,025,663.39/255,532.77
  6. Step 6: Final answer
    x = 232,827.38

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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.