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Finding the Fourth Proportional to 346,645.98, 520,002.99 and 144,200.34

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Solution

The fourth proportional to 346,645.98, 520,002.99 and 144,200.34 is: 216,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,645.98 : 520,002.99 = 144,200.34 : x
  2. Step 2: Convert to fraction form
    346,645.98/520,002.99 = 144,200.34/x
  3. Step 3: Cross multiply
    346,645.98x = 520,002.99 × 144,200.34
  4. Step 4: Simplify right side
    346,645.98x = 74,984,607,959.02
  5. Step 5: Solve for x
    x = 74,984,607,959.02/346,645.98
  6. Step 6: Final answer
    x = 216,314.66

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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.