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Finding the Fourth Proportional to 282,648.64, 423,823.84 and 124,802.40

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Solution

The fourth proportional to 282,648.64, 423,823.84 and 124,802.40 is: 187,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,648.64 : 423,823.84 = 124,802.40 : x
  2. Step 2: Convert to fraction form
    282,648.64/423,823.84 = 124,802.40/x
  3. Step 3: Cross multiply
    282,648.64x = 423,823.84 × 124,802.40
  4. Step 4: Simplify right side
    282,648.64x = 52,894,232,409.22
  5. Step 5: Solve for x
    x = 52,894,232,409.22/282,648.64
  6. Step 6: Final answer
    x = 187,137.76

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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.