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Finding the Fourth Proportional to 569,492.76, 785,916.40 and 314,860.34

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Solution

The fourth proportional to 569,492.76, 785,916.40 and 314,860.34 is: 434,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,492.76 : 785,916.40 = 314,860.34 : x
  2. Step 2: Convert to fraction form
    569,492.76/785,916.40 = 314,860.34/x
  3. Step 3: Cross multiply
    569,492.76x = 785,916.40 × 314,860.34
  4. Step 4: Simplify right side
    569,492.76x = 247,453,904,915.58
  5. Step 5: Solve for x
    x = 247,453,904,915.58/569,492.76
  6. Step 6: Final answer
    x = 434,516.33

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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.