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Finding the Fourth Proportional to 423,660.16, 584,925.12 and 262,686.40

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Solution

The fourth proportional to 423,660.16, 584,925.12 and 262,686.40 is: 362,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,660.16 : 584,925.12 = 262,686.40 : x
  2. Step 2: Convert to fraction form
    423,660.16/584,925.12 = 262,686.40/x
  3. Step 3: Cross multiply
    423,660.16x = 584,925.12 × 262,686.40
  4. Step 4: Simplify right side
    423,660.16x = 153,651,874,042.37
  5. Step 5: Solve for x
    x = 153,651,874,042.37/423,660.16
  6. Step 6: Final answer
    x = 362,677.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.