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Finding the Fourth Proportional to 562,835.79, 776,714.67 and 304,715.45

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Solution

The fourth proportional to 562,835.79, 776,714.67 and 304,715.45 is: 420,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,835.79 : 776,714.67 = 304,715.45 : x
  2. Step 2: Convert to fraction form
    562,835.79/776,714.67 = 304,715.45/x
  3. Step 3: Cross multiply
    562,835.79x = 776,714.67 × 304,715.45
  4. Step 4: Simplify right side
    562,835.79x = 236,676,962,132.44
  5. Step 5: Solve for x
    x = 236,676,962,132.44/562,835.79
  6. Step 6: Final answer
    x = 420,508.02

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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.