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Finding the Fourth Proportional to 410,117.40, 615,176.10 and 368,783.10

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Solution

The fourth proportional to 410,117.40, 615,176.10 and 368,783.10 is: 553,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,117.40 : 615,176.10 = 368,783.10 : x
  2. Step 2: Convert to fraction form
    410,117.40/615,176.10 = 368,783.10/x
  3. Step 3: Cross multiply
    410,117.40x = 615,176.10 × 368,783.10
  4. Step 4: Simplify right side
    410,117.40x = 226,866,549,203.91
  5. Step 5: Solve for x
    x = 226,866,549,203.91/410,117.40
  6. Step 6: Final answer
    x = 553,174.65

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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.