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Finding the Fourth Proportional to 578,650.77, 800,061.15 and 506,824.23

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Solution

The fourth proportional to 578,650.77, 800,061.15 and 506,824.23 is: 700,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,650.77 : 800,061.15 = 506,824.23 : x
  2. Step 2: Convert to fraction form
    578,650.77/800,061.15 = 506,824.23/x
  3. Step 3: Cross multiply
    578,650.77x = 800,061.15 × 506,824.23
  4. Step 4: Simplify right side
    578,650.77x = 405,490,376,301.67
  5. Step 5: Solve for x
    x = 405,490,376,301.67/578,650.77
  6. Step 6: Final answer
    x = 700,751.47

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Double scale
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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.