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Finding the Fourth Proportional to 566,748.80, 850,123.20 and 476,547.20

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Solution

The fourth proportional to 566,748.80, 850,123.20 and 476,547.20 is: 714,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,748.80 : 850,123.20 = 476,547.20 : x
  2. Step 2: Convert to fraction form
    566,748.80/850,123.20 = 476,547.20/x
  3. Step 3: Cross multiply
    566,748.80x = 850,123.20 × 476,547.20
  4. Step 4: Simplify right side
    566,748.80x = 405,123,830,615.04
  5. Step 5: Solve for x
    x = 405,123,830,615.04/566,748.80
  6. Step 6: Final answer
    x = 714,820.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.