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Finding the Fourth Proportional to 562,649.84, 776,458.90 and 308,024.72

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Solution

The fourth proportional to 562,649.84, 776,458.90 and 308,024.72 is: 425,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,649.84 : 776,458.90 = 308,024.72 : x
  2. Step 2: Convert to fraction form
    562,649.84/776,458.90 = 308,024.72/x
  3. Step 3: Cross multiply
    562,649.84x = 776,458.90 × 308,024.72
  4. Step 4: Simplify right side
    562,649.84x = 239,168,535,264.01
  5. Step 5: Solve for x
    x = 239,168,535,264.01/562,649.84
  6. Step 6: Final answer
    x = 425,075.27

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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.