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Finding the Fourth Proportional to 652,848.89, 900,949.21 and 366,386.51

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Solution

The fourth proportional to 652,848.89, 900,949.21 and 366,386.51 is: 505,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,848.89 : 900,949.21 = 366,386.51 : x
  2. Step 2: Convert to fraction form
    652,848.89/900,949.21 = 366,386.51/x
  3. Step 3: Cross multiply
    652,848.89x = 900,949.21 × 366,386.51
  4. Step 4: Simplify right side
    652,848.89x = 330,095,638,075.56
  5. Step 5: Solve for x
    x = 330,095,638,075.56/652,848.89
  6. Step 6: Final answer
    x = 505,623.35

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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.