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Finding the Fourth Proportional to 585,218.40, 877,696.08 and 348,628.32

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Solution

The fourth proportional to 585,218.40, 877,696.08 and 348,628.32 is: 522,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,218.40 : 877,696.08 = 348,628.32 : x
  2. Step 2: Convert to fraction form
    585,218.40/877,696.08 = 348,628.32/x
  3. Step 3: Cross multiply
    585,218.40x = 877,696.08 × 348,628.32
  4. Step 4: Simplify right side
    585,218.40x = 305,989,709,840.99
  5. Step 5: Solve for x
    x = 305,989,709,840.99/585,218.40
  6. Step 6: Final answer
    x = 522,864.13

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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.