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Finding the Fourth Proportional to 507,457.44, 761,298.48 and 170,510.40

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Solution

The fourth proportional to 507,457.44, 761,298.48 and 170,510.40 is: 255,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,457.44 : 761,298.48 = 170,510.40 : x
  2. Step 2: Convert to fraction form
    507,457.44/761,298.48 = 170,510.40/x
  3. Step 3: Cross multiply
    507,457.44x = 761,298.48 × 170,510.40
  4. Step 4: Simplify right side
    507,457.44x = 129,809,308,344.19
  5. Step 5: Solve for x
    x = 129,809,308,344.19/507,457.44
  6. Step 6: Final answer
    x = 255,803.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.