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Finding the Fourth Proportional to 567,600.12, 783,401.64 and 326,048.40

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Solution

The fourth proportional to 567,600.12, 783,401.64 and 326,048.40 is: 450,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,600.12 : 783,401.64 = 326,048.40 : x
  2. Step 2: Convert to fraction form
    567,600.12/783,401.64 = 326,048.40/x
  3. Step 3: Cross multiply
    567,600.12x = 783,401.64 × 326,048.40
  4. Step 4: Simplify right side
    567,600.12x = 255,426,851,279.38
  5. Step 5: Solve for x
    x = 255,426,851,279.38/567,600.12
  6. Step 6: Final answer
    x = 450,011.98

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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.