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Finding the Fourth Proportional to 567,323.40, 849,818.70 and 390,030.60

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Solution

The fourth proportional to 567,323.40, 849,818.70 and 390,030.60 is: 584,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,323.40 : 849,818.70 = 390,030.60 : x
  2. Step 2: Convert to fraction form
    567,323.40/849,818.70 = 390,030.60/x
  3. Step 3: Cross multiply
    567,323.40x = 849,818.70 × 390,030.60
  4. Step 4: Simplify right side
    567,323.40x = 331,455,297,452.22
  5. Step 5: Solve for x
    x = 331,455,297,452.22/567,323.40
  6. Step 6: Final answer
    x = 584,244.01

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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.