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Finding the Fourth Proportional to 676,877.50, 934,090.95 and 375,071.50

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Solution

The fourth proportional to 676,877.50, 934,090.95 and 375,071.50 is: 517,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,877.50 : 934,090.95 = 375,071.50 : x
  2. Step 2: Convert to fraction form
    676,877.50/934,090.95 = 375,071.50/x
  3. Step 3: Cross multiply
    676,877.50x = 934,090.95 × 375,071.50
  4. Step 4: Simplify right side
    676,877.50x = 350,350,893,752.93
  5. Step 5: Solve for x
    x = 350,350,893,752.93/676,877.50
  6. Step 6: Final answer
    x = 517,598.67

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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.