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Finding the Fourth Proportional to 614,329.17, 847,816.80 and 372,621.93

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Solution

The fourth proportional to 614,329.17, 847,816.80 and 372,621.93 is: 514,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,329.17 : 847,816.80 = 372,621.93 : x
  2. Step 2: Convert to fraction form
    614,329.17/847,816.80 = 372,621.93/x
  3. Step 3: Cross multiply
    614,329.17x = 847,816.80 × 372,621.93
  4. Step 4: Simplify right side
    614,329.17x = 315,915,132,302.42
  5. Step 5: Solve for x
    x = 315,915,132,302.42/614,329.17
  6. Step 6: Final answer
    x = 514,244.07

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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.