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Finding the Fourth Proportional to 369,046.52, 551,547.71 and 269,416.52

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Solution

The fourth proportional to 369,046.52, 551,547.71 and 269,416.52 is: 402,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,046.52 : 551,547.71 = 269,416.52 : x
  2. Step 2: Convert to fraction form
    369,046.52/551,547.71 = 269,416.52/x
  3. Step 3: Cross multiply
    369,046.52x = 551,547.71 × 269,416.52
  4. Step 4: Simplify right side
    369,046.52x = 148,596,064,642.17
  5. Step 5: Solve for x
    x = 148,596,064,642.17/369,046.52
  6. Step 6: Final answer
    x = 402,648.60

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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.