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Finding the Fourth Proportional to 545,877.60, 817,894.80 and 358,792.80

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Solution

The fourth proportional to 545,877.60, 817,894.80 and 358,792.80 is: 537,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,877.60 : 817,894.80 = 358,792.80 : x
  2. Step 2: Convert to fraction form
    545,877.60/817,894.80 = 358,792.80/x
  3. Step 3: Cross multiply
    545,877.60x = 817,894.80 × 358,792.80
  4. Step 4: Simplify right side
    545,877.60x = 293,454,765,397.44
  5. Step 5: Solve for x
    x = 293,454,765,397.44/545,877.60
  6. Step 6: Final answer
    x = 537,583.45

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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.