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Finding the Fourth Proportional to 369,007.20, 553,510.80 and 335,764.80

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Solution

The fourth proportional to 369,007.20, 553,510.80 and 335,764.80 is: 503,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,007.20 : 553,510.80 = 335,764.80 : x
  2. Step 2: Convert to fraction form
    369,007.20/553,510.80 = 335,764.80/x
  3. Step 3: Cross multiply
    369,007.20x = 553,510.80 × 335,764.80
  4. Step 4: Simplify right side
    369,007.20x = 185,849,443,059.84
  5. Step 5: Solve for x
    x = 185,849,443,059.84/369,007.20
  6. Step 6: Final answer
    x = 503,647.20

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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.