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Finding the Fourth Proportional to 424,068.90, 585,219.59 and 230,476.61

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Solution

The fourth proportional to 424,068.90, 585,219.59 and 230,476.61 is: 318,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,068.90 : 585,219.59 = 230,476.61 : x
  2. Step 2: Convert to fraction form
    424,068.90/585,219.59 = 230,476.61/x
  3. Step 3: Cross multiply
    424,068.90x = 585,219.59 × 230,476.61
  4. Step 4: Simplify right side
    424,068.90x = 134,879,423,130.31
  5. Step 5: Solve for x
    x = 134,879,423,130.31/424,068.90
  6. Step 6: Final answer
    x = 318,060.16

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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.