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Finding the Fourth Proportional to 676,547.37, 933,636.51 and 370,617.06

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Solution

The fourth proportional to 676,547.37, 933,636.51 and 370,617.06 is: 511,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,547.37 : 933,636.51 = 370,617.06 : x
  2. Step 2: Convert to fraction form
    676,547.37/933,636.51 = 370,617.06/x
  3. Step 3: Cross multiply
    676,547.37x = 933,636.51 × 370,617.06
  4. Step 4: Simplify right side
    676,547.37x = 346,021,618,444.86
  5. Step 5: Solve for x
    x = 346,021,618,444.86/676,547.37
  6. Step 6: Final answer
    x = 511,452.17

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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.