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Finding the Fourth Proportional to 585,728.16, 808,085.52 and 344,018.40

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Solution

The fourth proportional to 585,728.16, 808,085.52 and 344,018.40 is: 474,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,728.16 : 808,085.52 = 344,018.40 : x
  2. Step 2: Convert to fraction form
    585,728.16/808,085.52 = 344,018.40/x
  3. Step 3: Cross multiply
    585,728.16x = 808,085.52 × 344,018.40
  4. Step 4: Simplify right side
    585,728.16x = 277,996,287,653.57
  5. Step 5: Solve for x
    x = 277,996,287,653.57/585,728.16
  6. Step 6: Final answer
    x = 474,616.57

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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.