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Finding the Fourth Proportional to 630,369.49, 940,637.64 and 562,434.59

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Solution

The fourth proportional to 630,369.49, 940,637.64 and 562,434.59 is: 839,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,369.49 : 940,637.64 = 562,434.59 : x
  2. Step 2: Convert to fraction form
    630,369.49/940,637.64 = 562,434.59/x
  3. Step 3: Cross multiply
    630,369.49x = 940,637.64 × 562,434.59
  4. Step 4: Simplify right side
    630,369.49x = 529,047,137,876.61
  5. Step 5: Solve for x
    x = 529,047,137,876.61/630,369.49
  6. Step 6: Final answer
    x = 839,265.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.