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Finding the Fourth Proportional to 533,636.51, 736,432.16 and 291,929.27

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Solution

The fourth proportional to 533,636.51, 736,432.16 and 291,929.27 is: 402,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,636.51 : 736,432.16 = 291,929.27 : x
  2. Step 2: Convert to fraction form
    533,636.51/736,432.16 = 291,929.27/x
  3. Step 3: Cross multiply
    533,636.51x = 736,432.16 × 291,929.27
  4. Step 4: Simplify right side
    533,636.51x = 214,986,097,731.52
  5. Step 5: Solve for x
    x = 214,986,097,731.52/533,636.51
  6. Step 6: Final answer
    x = 402,869.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.