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Finding the Fourth Proportional to 460,055.79, 634,862.10 and 256,100.04

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Solution

The fourth proportional to 460,055.79, 634,862.10 and 256,100.04 is: 353,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,055.79 : 634,862.10 = 256,100.04 : x
  2. Step 2: Convert to fraction form
    460,055.79/634,862.10 = 256,100.04/x
  3. Step 3: Cross multiply
    460,055.79x = 634,862.10 × 256,100.04
  4. Step 4: Simplify right side
    460,055.79x = 162,588,209,204.48
  5. Step 5: Solve for x
    x = 162,588,209,204.48/460,055.79
  6. Step 6: Final answer
    x = 353,409.77

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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.