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Finding the Fourth Proportional to 922,718.65, 1,384,278.59 and 283,024.93

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Solution

The fourth proportional to 922,718.65, 1,384,278.59 and 283,024.93 is: 424,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,718.65 : 1,384,278.59 = 283,024.93 : x
  2. Step 2: Convert to fraction form
    922,718.65/1,384,278.59 = 283,024.93/x
  3. Step 3: Cross multiply
    922,718.65x = 1,384,278.59 × 283,024.93
  4. Step 4: Simplify right side
    922,718.65x = 391,785,349,620.12
  5. Step 5: Solve for x
    x = 391,785,349,620.12/922,718.65
  6. Step 6: Final answer
    x = 424,598.93

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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.