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Finding the Fourth Proportional to 586,169.37, 808,913.73 and 317,897.37

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Solution

The fourth proportional to 586,169.37, 808,913.73 and 317,897.37 is: 438,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,169.37 : 808,913.73 = 317,897.37 : x
  2. Step 2: Convert to fraction form
    586,169.37/808,913.73 = 317,897.37/x
  3. Step 3: Cross multiply
    586,169.37x = 808,913.73 × 317,897.37
  4. Step 4: Simplify right side
    586,169.37x = 257,151,547,323.89
  5. Step 5: Solve for x
    x = 257,151,547,323.89/586,169.37
  6. Step 6: Final answer
    x = 438,698.37

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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.