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Finding the Fourth Proportional to 452,903.66, 624,430.59 and 283,075.82

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Solution

The fourth proportional to 452,903.66, 624,430.59 and 283,075.82 is: 390,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,903.66 : 624,430.59 = 283,075.82 : x
  2. Step 2: Convert to fraction form
    452,903.66/624,430.59 = 283,075.82/x
  3. Step 3: Cross multiply
    452,903.66x = 624,430.59 × 283,075.82
  4. Step 4: Simplify right side
    452,903.66x = 176,761,201,297.33
  5. Step 5: Solve for x
    x = 176,761,201,297.33/452,903.66
  6. Step 6: Final answer
    x = 390,284.33

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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.