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Finding the Fourth Proportional to 357,670.08, 536,612.45 and 144,328.23

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Solution

The fourth proportional to 357,670.08, 536,612.45 and 144,328.23 is: 216,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,670.08 : 536,612.45 = 144,328.23 : x
  2. Step 2: Convert to fraction form
    357,670.08/536,612.45 = 144,328.23/x
  3. Step 3: Cross multiply
    357,670.08x = 536,612.45 × 144,328.23
  4. Step 4: Simplify right side
    357,670.08x = 77,448,324,382.82
  5. Step 5: Solve for x
    x = 77,448,324,382.82/357,670.08
  6. Step 6: Final answer
    x = 216,535.65

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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.