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Finding the Fourth Proportional to 651,763.27, 899,432.12 and 365,283.28

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Solution

The fourth proportional to 651,763.27, 899,432.12 and 365,283.28 is: 504,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,763.27 : 899,432.12 = 365,283.28 : x
  2. Step 2: Convert to fraction form
    651,763.27/899,432.12 = 365,283.28/x
  3. Step 3: Cross multiply
    651,763.27x = 899,432.12 × 365,283.28
  4. Step 4: Simplify right side
    651,763.27x = 328,547,508,607.38
  5. Step 5: Solve for x
    x = 328,547,508,607.38/651,763.27
  6. Step 6: Final answer
    x = 504,090.25

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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.