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Finding the Fourth Proportional to 358,281.20, 537,292.20 and 144,959.60

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Solution

The fourth proportional to 358,281.20, 537,292.20 and 144,959.60 is: 217,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,281.20 : 537,292.20 = 144,959.60 : x
  2. Step 2: Convert to fraction form
    358,281.20/537,292.20 = 144,959.60/x
  3. Step 3: Cross multiply
    358,281.20x = 537,292.20 × 144,959.60
  4. Step 4: Simplify right side
    358,281.20x = 77,885,662,395.12
  5. Step 5: Solve for x
    x = 77,885,662,395.12/358,281.20
  6. Step 6: Final answer
    x = 217,386.96

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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.