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Finding the Fourth Proportional to 610,587.44, 842,502.08 and 368,708.16

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Solution

The fourth proportional to 610,587.44, 842,502.08 and 368,708.16 is: 508,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,587.44 : 842,502.08 = 368,708.16 : x
  2. Step 2: Convert to fraction form
    610,587.44/842,502.08 = 368,708.16/x
  3. Step 3: Cross multiply
    610,587.44x = 842,502.08 × 368,708.16
  4. Step 4: Simplify right side
    610,587.44x = 310,637,391,712.97
  5. Step 5: Solve for x
    x = 310,637,391,712.97/610,587.44
  6. Step 6: Final answer
    x = 508,751.69

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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.