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Finding the Fourth Proportional to 615,230.08, 849,075.96 and 373,457.08

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Solution

The fourth proportional to 615,230.08, 849,075.96 and 373,457.08 is: 515,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,230.08 : 849,075.96 = 373,457.08 : x
  2. Step 2: Convert to fraction form
    615,230.08/849,075.96 = 373,457.08/x
  3. Step 3: Cross multiply
    615,230.08x = 849,075.96 × 373,457.08
  4. Step 4: Simplify right side
    615,230.08x = 317,093,428,719.80
  5. Step 5: Solve for x
    x = 317,093,428,719.80/615,230.08
  6. Step 6: Final answer
    x = 515,406.25

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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.