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Finding the Fourth Proportional to 615,509.85, 923,366.85 and 216,047.01

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Solution

The fourth proportional to 615,509.85, 923,366.85 and 216,047.01 is: 324,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,509.85 : 923,366.85 = 216,047.01 : x
  2. Step 2: Convert to fraction form
    615,509.85/923,366.85 = 216,047.01/x
  3. Step 3: Cross multiply
    615,509.85x = 923,366.85 × 216,047.01
  4. Step 4: Simplify right side
    615,509.85x = 199,490,647,075.62
  5. Step 5: Solve for x
    x = 199,490,647,075.62/615,509.85
  6. Step 6: Final answer
    x = 324,106.34

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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.