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Finding the Fourth Proportional to 674,460.47, 930,727.68 and 368,547.35

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Solution

The fourth proportional to 674,460.47, 930,727.68 and 368,547.35 is: 508,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,460.47 : 930,727.68 = 368,547.35 : x
  2. Step 2: Convert to fraction form
    674,460.47/930,727.68 = 368,547.35/x
  3. Step 3: Cross multiply
    674,460.47x = 930,727.68 × 368,547.35
  4. Step 4: Simplify right side
    674,460.47x = 343,017,215,382.01
  5. Step 5: Solve for x
    x = 343,017,215,382.01/674,460.47
  6. Step 6: Final answer
    x = 508,580.17

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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.