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Finding the Fourth Proportional to 262,333.65, 393,478.59 and 157,075.77

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Solution

The fourth proportional to 262,333.65, 393,478.59 and 157,075.77 is: 235,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,333.65 : 393,478.59 = 157,075.77 : x
  2. Step 2: Convert to fraction form
    262,333.65/393,478.59 = 157,075.77/x
  3. Step 3: Cross multiply
    262,333.65x = 393,478.59 × 157,075.77
  4. Step 4: Simplify right side
    262,333.65x = 61,805,952,502.76
  5. Step 5: Solve for x
    x = 61,805,952,502.76/262,333.65
  6. Step 6: Final answer
    x = 235,600.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.