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Finding the Fourth Proportional to 585,075.60, 877,613.40 and 490,597.20

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Solution

The fourth proportional to 585,075.60, 877,613.40 and 490,597.20 is: 735,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,075.60 : 877,613.40 = 490,597.20 : x
  2. Step 2: Convert to fraction form
    585,075.60/877,613.40 = 490,597.20/x
  3. Step 3: Cross multiply
    585,075.60x = 877,613.40 × 490,597.20
  4. Step 4: Simplify right side
    585,075.60x = 430,554,676,722.48
  5. Step 5: Solve for x
    x = 430,554,676,722.48/585,075.60
  6. Step 6: Final answer
    x = 735,895.80

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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.