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Finding the Fourth Proportional to 369,220.36, 553,993.35 and 353,276.86

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Solution

The fourth proportional to 369,220.36, 553,993.35 and 353,276.86 is: 530,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,220.36 : 553,993.35 = 353,276.86 : x
  2. Step 2: Convert to fraction form
    369,220.36/553,993.35 = 353,276.86/x
  3. Step 3: Cross multiply
    369,220.36x = 553,993.35 × 353,276.86
  4. Step 4: Simplify right side
    369,220.36x = 195,713,031,148.88
  5. Step 5: Solve for x
    x = 195,713,031,148.88/369,220.36
  6. Step 6: Final answer
    x = 530,071.07

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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.