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Finding the Fourth Proportional to 462,364.80, 693,547.20 and 369,052.80

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Solution

The fourth proportional to 462,364.80, 693,547.20 and 369,052.80 is: 553,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,364.80 : 693,547.20 = 369,052.80 : x
  2. Step 2: Convert to fraction form
    462,364.80/693,547.20 = 369,052.80/x
  3. Step 3: Cross multiply
    462,364.80x = 693,547.20 × 369,052.80
  4. Step 4: Simplify right side
    462,364.80x = 255,955,536,092.16
  5. Step 5: Solve for x
    x = 255,955,536,092.16/462,364.80
  6. Step 6: Final answer
    x = 553,579.20

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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.