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Finding the Fourth Proportional to 460,005.95, 634,801.41 and 256,056.57

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Solution

The fourth proportional to 460,005.95, 634,801.41 and 256,056.57 is: 353,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,005.95 : 634,801.41 = 256,056.57 : x
  2. Step 2: Convert to fraction form
    460,005.95/634,801.41 = 256,056.57/x
  3. Step 3: Cross multiply
    460,005.95x = 634,801.41 × 256,056.57
  4. Step 4: Simplify right side
    460,005.95x = 162,545,071,675.76
  5. Step 5: Solve for x
    x = 162,545,071,675.76/460,005.95
  6. Step 6: Final answer
    x = 353,354.28

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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.