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Finding the Fourth Proportional to 616,613.03, 922,677.53 and 508,996.23

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Solution

The fourth proportional to 616,613.03, 922,677.53 and 508,996.23 is: 761,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,613.03 : 922,677.53 = 508,996.23 : x
  2. Step 2: Convert to fraction form
    616,613.03/922,677.53 = 508,996.23/x
  3. Step 3: Cross multiply
    616,613.03x = 922,677.53 × 508,996.23
  4. Step 4: Simplify right side
    616,613.03x = 469,639,383,728.82
  5. Step 5: Solve for x
    x = 469,639,383,728.82/616,613.03
  6. Step 6: Final answer
    x = 761,643.62

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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.