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Finding the Fourth Proportional to 611,582.02, 913,254.37 and 499,484.61

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Solution

The fourth proportional to 611,582.02, 913,254.37 and 499,484.61 is: 745,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,582.02 : 913,254.37 = 499,484.61 : x
  2. Step 2: Convert to fraction form
    611,582.02/913,254.37 = 499,484.61/x
  3. Step 3: Cross multiply
    611,582.02x = 913,254.37 × 499,484.61
  4. Step 4: Simplify right side
    611,582.02x = 456,156,501,581.53
  5. Step 5: Solve for x
    x = 456,156,501,581.53/611,582.02
  6. Step 6: Final answer
    x = 745,863.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.