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Finding the Fourth Proportional to 562,530.10, 776,285.51 and 304,401.38

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Solution

The fourth proportional to 562,530.10, 776,285.51 and 304,401.38 is: 420,070.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,530.10 : 776,285.51 = 304,401.38 : x
  2. Step 2: Convert to fraction form
    562,530.10/776,285.51 = 304,401.38/x
  3. Step 3: Cross multiply
    562,530.10x = 776,285.51 × 304,401.38
  4. Step 4: Simplify right side
    562,530.10x = 236,302,377,397.58
  5. Step 5: Solve for x
    x = 236,302,377,397.58/562,530.10
  6. Step 6: Final answer
    x = 420,070.64

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1.5x scale

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.