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Finding the Fourth Proportional to 360,291.36, 537,798.68 and 317,729.64

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Solution

The fourth proportional to 360,291.36, 537,798.68 and 317,729.64 is: 474,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,291.36 : 537,798.68 = 317,729.64 : x
  2. Step 2: Convert to fraction form
    360,291.36/537,798.68 = 317,729.64/x
  3. Step 3: Cross multiply
    360,291.36x = 537,798.68 × 317,729.64
  4. Step 4: Simplify right side
    360,291.36x = 170,874,580,988.88
  5. Step 5: Solve for x
    x = 170,874,580,988.88/360,291.36
  6. Step 6: Final answer
    x = 474,267.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.