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Finding the Fourth Proportional to 453,946, 626,449.80 and 252,746.32

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Solution

The fourth proportional to 453,946, 626,449.80 and 252,746.32 is: 348,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,946 : 626,449.80 = 252,746.32 : x
  2. Step 2: Convert to fraction form
    453,946/626,449.80 = 252,746.32/x
  3. Step 3: Cross multiply
    453,946x = 626,449.80 × 252,746.32
  4. Step 4: Simplify right side
    453,946x = 158,332,881,614.74
  5. Step 5: Solve for x
    x = 158,332,881,614.74/453,946
  6. Step 6: Final answer
    x = 348,792.33

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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.