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Finding the Fourth Proportional to 562,798.52, 776,656.04 and 304,669.68

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Solution

The fourth proportional to 562,798.52, 776,656.04 and 304,669.68 is: 420,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,798.52 : 776,656.04 = 304,669.68 : x
  2. Step 2: Convert to fraction form
    562,798.52/776,656.04 = 304,669.68/x
  3. Step 3: Cross multiply
    562,798.52x = 776,656.04 × 304,669.68
  4. Step 4: Simplify right side
    562,798.52x = 236,623,547,176.87
  5. Step 5: Solve for x
    x = 236,623,547,176.87/562,798.52
  6. Step 6: Final answer
    x = 420,440.95

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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.