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Finding the Fourth Proportional to 562,389.50, 776,095.35 and 304,265.63

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Solution

The fourth proportional to 562,389.50, 776,095.35 and 304,265.63 is: 419,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,389.50 : 776,095.35 = 304,265.63 : x
  2. Step 2: Convert to fraction form
    562,389.50/776,095.35 = 304,265.63/x
  3. Step 3: Cross multiply
    562,389.50x = 776,095.35 × 304,265.63
  4. Step 4: Simplify right side
    562,389.50x = 236,139,136,727.34
  5. Step 5: Solve for x
    x = 236,139,136,727.34/562,389.50
  6. Step 6: Final answer
    x = 419,885.40

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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.