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Finding the Fourth Proportional to 528,799.61, 793,097.54 and 149,717.45

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Solution

The fourth proportional to 528,799.61, 793,097.54 and 149,717.45 is: 224,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,799.61 : 793,097.54 = 149,717.45 : x
  2. Step 2: Convert to fraction form
    528,799.61/793,097.54 = 149,717.45/x
  3. Step 3: Cross multiply
    528,799.61x = 793,097.54 × 149,717.45
  4. Step 4: Simplify right side
    528,799.61x = 118,740,540,541.49
  5. Step 5: Solve for x
    x = 118,740,540,541.49/528,799.61
  6. Step 6: Final answer
    x = 224,547.33

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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.