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Finding the Fourth Proportional to 360,368.60, 540,878.94 and 192,031.16

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Solution

The fourth proportional to 360,368.60, 540,878.94 and 192,031.16 is: 288,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,368.60 : 540,878.94 = 192,031.16 : x
  2. Step 2: Convert to fraction form
    360,368.60/540,878.94 = 192,031.16/x
  3. Step 3: Cross multiply
    360,368.60x = 540,878.94 × 192,031.16
  4. Step 4: Simplify right side
    360,368.60x = 103,865,610,267.77
  5. Step 5: Solve for x
    x = 103,865,610,267.77/360,368.60
  6. Step 6: Final answer
    x = 288,220.48

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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.