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Finding the Fourth Proportional to 670,192.61, 924,865.81 and 368,386.61

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Solution

The fourth proportional to 670,192.61, 924,865.81 and 368,386.61 is: 508,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,192.61 : 924,865.81 = 368,386.61 : x
  2. Step 2: Convert to fraction form
    670,192.61/924,865.81 = 368,386.61/x
  3. Step 3: Cross multiply
    670,192.61x = 924,865.81 × 368,386.61
  4. Step 4: Simplify right side
    670,192.61x = 340,708,174,905.51
  5. Step 5: Solve for x
    x = 340,708,174,905.51/670,192.61
  6. Step 6: Final answer
    x = 508,373.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.