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Finding the Fourth Proportional to 610,547.29, 915,864.66 and 161,263.68

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Solution

The fourth proportional to 610,547.29, 915,864.66 and 161,263.68 is: 241,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,547.29 : 915,864.66 = 161,263.68 : x
  2. Step 2: Convert to fraction form
    610,547.29/915,864.66 = 161,263.68/x
  3. Step 3: Cross multiply
    610,547.29x = 915,864.66 × 161,263.68
  4. Step 4: Simplify right side
    610,547.29x = 147,695,702,019.06
  5. Step 5: Solve for x
    x = 147,695,702,019.06/610,547.29
  6. Step 6: Final answer
    x = 241,907.06

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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.