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Finding the Fourth Proportional to 478,465.19, 717,770.40 and 162,848.30

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Solution

The fourth proportional to 478,465.19, 717,770.40 and 162,848.30 is: 244,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,465.19 : 717,770.40 = 162,848.30 : x
  2. Step 2: Convert to fraction form
    478,465.19/717,770.40 = 162,848.30/x
  3. Step 3: Cross multiply
    478,465.19x = 717,770.40 × 162,848.30
  4. Step 4: Simplify right side
    478,465.19x = 116,887,689,430.32
  5. Step 5: Solve for x
    x = 116,887,689,430.32/478,465.19
  6. Step 6: Final answer
    x = 244,297.16

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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.