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Finding the Fourth Proportional to 562,907.56, 776,830.02 and 308,282.92

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Solution

The fourth proportional to 562,907.56, 776,830.02 and 308,282.92 is: 425,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,907.56 : 776,830.02 = 308,282.92 : x
  2. Step 2: Convert to fraction form
    562,907.56/776,830.02 = 308,282.92/x
  3. Step 3: Cross multiply
    562,907.56x = 776,830.02 × 308,282.92
  4. Step 4: Simplify right side
    562,907.56x = 239,483,426,909.26
  5. Step 5: Solve for x
    x = 239,483,426,909.26/562,907.56
  6. Step 6: Final answer
    x = 425,440.06

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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.