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Finding the Fourth Proportional to 562,855.32, 776,746.62 and 304,737.89

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Solution

The fourth proportional to 562,855.32, 776,746.62 and 304,737.89 is: 420,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,855.32 : 776,746.62 = 304,737.89 : x
  2. Step 2: Convert to fraction form
    562,855.32/776,746.62 = 304,737.89/x
  3. Step 3: Cross multiply
    562,855.32x = 776,746.62 × 304,737.89
  4. Step 4: Simplify right side
    562,855.32x = 236,704,122,159.70
  5. Step 5: Solve for x
    x = 236,704,122,159.70/562,855.32
  6. Step 6: Final answer
    x = 420,541.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.