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Finding the Fourth Proportional to 676,359, 933,404.76 and 374,553

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Solution

The fourth proportional to 676,359, 933,404.76 and 374,553 is: 516,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,359 : 933,404.76 = 374,553 : x
  2. Step 2: Convert to fraction form
    676,359/933,404.76 = 374,553/x
  3. Step 3: Cross multiply
    676,359x = 933,404.76 × 374,553
  4. Step 4: Simplify right side
    676,359x = 349,609,553,072.28
  5. Step 5: Solve for x
    x = 349,609,553,072.28/676,359
  6. Step 6: Final answer
    x = 516,899.39

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1.5x scale

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.