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Finding the Fourth Proportional to 804.76, 1,110.46 and 473.22

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Solution

The fourth proportional to 804.76, 1,110.46 and 473.22 is: 652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.76 : 1,110.46 = 473.22 : x
  2. Step 2: Convert to fraction form
    804.76/1,110.46 = 473.22/x
  3. Step 3: Cross multiply
    804.76x = 1,110.46 × 473.22
  4. Step 4: Simplify right side
    804.76x = 525,491.88
  5. Step 5: Solve for x
    x = 525,491.88/804.76
  6. Step 6: Final answer
    x = 652.98

Related Problems

Find fourth proportional to 402.38, 555.23 and 236.61
Half scale
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Double scale
Find fourth proportional to 805.76, 1,111.84 and 474.22
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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.