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Finding the Fourth Proportional to 364,623.06, 546,147.09 and 355,700.10

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Solution

The fourth proportional to 364,623.06, 546,147.09 and 355,700.10 is: 532,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,623.06 : 546,147.09 = 355,700.10 : x
  2. Step 2: Convert to fraction form
    364,623.06/546,147.09 = 355,700.10/x
  3. Step 3: Cross multiply
    364,623.06x = 546,147.09 × 355,700.10
  4. Step 4: Simplify right side
    364,623.06x = 194,264,574,527.71
  5. Step 5: Solve for x
    x = 194,264,574,527.71/364,623.06
  6. Step 6: Final answer
    x = 532,781.92

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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.