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Finding the Fourth Proportional to 424,547.46, 636,590.61 and 210,846.51

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Solution

The fourth proportional to 424,547.46, 636,590.61 and 210,846.51 is: 316,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,547.46 : 636,590.61 = 210,846.51 : x
  2. Step 2: Convert to fraction form
    424,547.46/636,590.61 = 210,846.51/x
  3. Step 3: Cross multiply
    424,547.46x = 636,590.61 × 210,846.51
  4. Step 4: Simplify right side
    424,547.46x = 134,222,908,417.27
  5. Step 5: Solve for x
    x = 134,222,908,417.27/424,547.46
  6. Step 6: Final answer
    x = 316,155.25

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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.