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Finding the Fourth Proportional to 628,561.86, 867,598.48 and 410,802.28

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Solution

The fourth proportional to 628,561.86, 867,598.48 and 410,802.28 is: 567,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,561.86 : 867,598.48 = 410,802.28 : x
  2. Step 2: Convert to fraction form
    628,561.86/867,598.48 = 410,802.28/x
  3. Step 3: Cross multiply
    628,561.86x = 867,598.48 × 410,802.28
  4. Step 4: Simplify right side
    628,561.86x = 356,411,433,708.53
  5. Step 5: Solve for x
    x = 356,411,433,708.53/628,561.86
  6. Step 6: Final answer
    x = 567,026.82

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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.