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Finding the Fourth Proportional to 425,152.18, 586,751.40 and 317,535.34

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Solution

The fourth proportional to 425,152.18, 586,751.40 and 317,535.34 is: 438,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,152.18 : 586,751.40 = 317,535.34 : x
  2. Step 2: Convert to fraction form
    425,152.18/586,751.40 = 317,535.34/x
  3. Step 3: Cross multiply
    425,152.18x = 586,751.40 × 317,535.34
  4. Step 4: Simplify right side
    425,152.18x = 186,314,305,294.48
  5. Step 5: Solve for x
    x = 186,314,305,294.48/425,152.18
  6. Step 6: Final answer
    x = 438,229.68

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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.