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Finding the Fourth Proportional to 625,967.91, 937,699.61 and 288,547.02

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Solution

The fourth proportional to 625,967.91, 937,699.61 and 288,547.02 is: 432,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,967.91 : 937,699.61 = 288,547.02 : x
  2. Step 2: Convert to fraction form
    625,967.91/937,699.61 = 288,547.02/x
  3. Step 3: Cross multiply
    625,967.91x = 937,699.61 × 288,547.02
  4. Step 4: Simplify right side
    625,967.91x = 270,570,426,677.93
  5. Step 5: Solve for x
    x = 270,570,426,677.93/625,967.91
  6. Step 6: Final answer
    x = 432,243.29

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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.