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Finding the Fourth Proportional to 462,710.01, 638,535.36 and 258,758.62

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Solution

The fourth proportional to 462,710.01, 638,535.36 and 258,758.62 is: 357,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,710.01 : 638,535.36 = 258,758.62 : x
  2. Step 2: Convert to fraction form
    462,710.01/638,535.36 = 258,758.62/x
  3. Step 3: Cross multiply
    462,710.01x = 638,535.36 × 258,758.62
  4. Step 4: Simplify right side
    462,710.01x = 165,226,528,574.80
  5. Step 5: Solve for x
    x = 165,226,528,574.80/462,710.01
  6. Step 6: Final answer
    x = 357,084.40

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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.