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Finding the Fourth Proportional to 416,798.45, 575,215.64 and 235,547.98

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Solution

The fourth proportional to 416,798.45, 575,215.64 and 235,547.98 is: 325,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,798.45 : 575,215.64 = 235,547.98 : x
  2. Step 2: Convert to fraction form
    416,798.45/575,215.64 = 235,547.98/x
  3. Step 3: Cross multiply
    416,798.45x = 575,215.64 × 235,547.98
  4. Step 4: Simplify right side
    416,798.45x = 135,490,880,333.93
  5. Step 5: Solve for x
    x = 135,490,880,333.93/416,798.45
  6. Step 6: Final answer
    x = 325,075.30

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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.