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Finding the Fourth Proportional to 776,262.61, 1,164,000.03 and 355,177.63

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Solution

The fourth proportional to 776,262.61, 1,164,000.03 and 355,177.63 is: 532,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,262.61 : 1,164,000.03 = 355,177.63 : x
  2. Step 2: Convert to fraction form
    776,262.61/1,164,000.03 = 355,177.63/x
  3. Step 3: Cross multiply
    776,262.61x = 1,164,000.03 × 355,177.63
  4. Step 4: Simplify right side
    776,262.61x = 413,426,771,975.33
  5. Step 5: Solve for x
    x = 413,426,771,975.33/776,262.61
  6. Step 6: Final answer
    x = 532,586.22

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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.