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Finding the Fourth Proportional to 562,807.63, 776,670.96 and 304,682.69

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Solution

The fourth proportional to 562,807.63, 776,670.96 and 304,682.69 is: 420,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,807.63 : 776,670.96 = 304,682.69 : x
  2. Step 2: Convert to fraction form
    562,807.63/776,670.96 = 304,682.69/x
  3. Step 3: Cross multiply
    562,807.63x = 776,670.96 × 304,682.69
  4. Step 4: Simplify right side
    562,807.63x = 236,638,200,421.92
  5. Step 5: Solve for x
    x = 236,638,200,421.92/562,807.63
  6. Step 6: Final answer
    x = 420,460.18

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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.