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Finding the Fourth Proportional to 358,068.36, 537,117.12 and 147,686.25

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Solution

The fourth proportional to 358,068.36, 537,117.12 and 147,686.25 is: 221,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,068.36 : 537,117.12 = 147,686.25 : x
  2. Step 2: Convert to fraction form
    358,068.36/537,117.12 = 147,686.25/x
  3. Step 3: Cross multiply
    358,068.36x = 537,117.12 × 147,686.25
  4. Step 4: Simplify right side
    358,068.36x = 79,324,813,263.60
  5. Step 5: Solve for x
    x = 79,324,813,263.60/358,068.36
  6. Step 6: Final answer
    x = 221,535.39

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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.