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Finding the Fourth Proportional to 456,803.60, 630,244.04 and 265,780.08

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Solution

The fourth proportional to 456,803.60, 630,244.04 and 265,780.08 is: 366,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,803.60 : 630,244.04 = 265,780.08 : x
  2. Step 2: Convert to fraction form
    456,803.60/630,244.04 = 265,780.08/x
  3. Step 3: Cross multiply
    456,803.60x = 630,244.04 × 265,780.08
  4. Step 4: Simplify right side
    456,803.60x = 167,506,311,370.72
  5. Step 5: Solve for x
    x = 167,506,311,370.72/456,803.60
  6. Step 6: Final answer
    x = 366,692.19

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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.